fix: update backup timeouts (via synth)

[yoshi-automation]

This PR was generated using Autosynth. 🌈

Log from Synthtool

2020-05-13 05:38:09,465 synthtool [DEBUG] > Executing /home/kbuilder/.cache/synthtool/python-spanner/synth.py.
On branch autosynth
nothing to commit, working tree clean
2020-05-13 05:38:09,597 synthtool [DEBUG] > Ensuring dependencies.
2020-05-13 05:38:09,928 synthtool [DEBUG] > Cloning googleapis.
2020-05-13 05:38:10,291 synthtool [DEBUG] > Generating code for: //google/spanner/v1:spanner-v1-py.
2020-05-13 05:38:14,259 synthtool [DEBUG] > Copy: google/spanner/v1/mutation.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/mutation.proto
2020-05-13 05:38:14,259 synthtool [DEBUG] > Copy: google/spanner/v1/spanner.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/spanner.proto
2020-05-13 05:38:14,260 synthtool [DEBUG] > Copy: google/spanner/v1/type.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/type.proto
2020-05-13 05:38:14,260 synthtool [DEBUG] > Copy: google/spanner/v1/keys.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/keys.proto
2020-05-13 05:38:14,260 synthtool [DEBUG] > Copy: google/spanner/v1/result_set.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/result_set.proto
2020-05-13 05:38:14,260 synthtool [DEBUG] > Copy: google/spanner/v1/transaction.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/transaction.proto
2020-05-13 05:38:14,260 synthtool [DEBUG] > Copy: google/spanner/v1/query_plan.proto to /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto/query_plan.proto
2020-05-13 05:38:14,261 synthtool [SUCCESS] > Placed proto files into /tmpfs/tmp/tmpiksdeoqb/google/cloud/spanner_v1/proto.
2020-05-13 05:38:14,261 synthtool [SUCCESS] > Generated code into /tmpfs/tmp/tmpiksdeoqb.
2020-05-13 05:38:14,269 synthtool [INFO] > Replaced 'import google.api_core.grpc_helpers\n' in google/cloud/spanner_v1/gapic/transports/spanner_grpc_transport.py.
2020-05-13 05:38:14,270 synthtool [INFO] > Replaced 'from google.cloud.spanner_v1.proto import spanner_pb2_grpc\n' in google/cloud/spanner_v1/gapic/transports/spanner_grpc_transport.py.
2020-05-13 05:38:14,272 synthtool [INFO] > Replaced "(\\s+)'grpc.max_receive_message_length': -1," in google/cloud/spanner_v1/gapic/transports/spanner_grpc_transport.py.
2020-05-13 05:38:14,274 synthtool [INFO] > Replaced '(\\s+)return google.api_core.grpc_helpers.create_channel\\(\n' in google/cloud/spanner_v1/gapic/transports/spanner_grpc_transport.py.
2020-05-13 05:38:14,274 synthtool [INFO] > Replaced 'from google.cloud import spanner_v1' in tests/unit/gapic/v1/test_spanner_client_v1.py.
2020-05-13 05:38:14,275 synthtool [DEBUG] > Generating code for: //google/spanner/admin/instance/v1:admin-instance-v1-py.
2020-05-13 05:38:17,875 synthtool [DEBUG] > Copy: google/spanner/admin/instance/v1/spanner_instance_admin.proto to /tmpfs/tmp/tmpe1g0vukc/google/cloud/spanner_admin_instance_v1/proto/spanner_instance_admin.proto
2020-05-13 05:38:17,875 synthtool [SUCCESS] > Placed proto files into /tmpfs/tmp/tmpe1g0vukc/google/cloud/spanner_admin_instance_v1/proto.
2020-05-13 05:38:17,876 synthtool [SUCCESS] > Generated code into /tmpfs/tmp/tmpe1g0vukc.
2020-05-13 05:38:17,881 synthtool [INFO] > Replaced "'google-cloud-spanner-admin-instance'" in google/cloud/spanner_admin_instance_v1/gapic/instance_admin_client.py.
2020-05-13 05:38:17,892 synthtool [WARNING] > No replacements made in google/**/*.py for pattern from google\.cloud\.spanner\.admin\.instance_v1.proto, maybe replacement is no longer needed?
2020-05-13 05:38:17,892 synthtool [INFO] > Replaced '====*' in google/cloud/spanner_v1/proto/transaction_pb2.py.
2020-05-13 05:38:17,893 synthtool [INFO] > Replaced '----*' in google/cloud/spanner_v1/proto/transaction_pb2.py.
2020-05-13 05:38:17,894 synthtool [INFO] > Replaced '~~~~*' in google/cloud/spanner_v1/proto/transaction_pb2.py.
2020-05-13 05:38:17,894 synthtool [DEBUG] > Generating code for: //google/spanner/admin/database/v1:admin-database-v1-py.
2020-05-13 05:38:21,829 synthtool [DEBUG] > Copy: google/spanner/admin/database/v1/common.proto to /tmpfs/tmp/tmp0qwltdbl/google/cloud/spanner_admin_database_v1/proto/common.proto
2020-05-13 05:38:21,830 synthtool [DEBUG] > Copy: google/spanner/admin/database/v1/backup.proto to /tmpfs/tmp/tmp0qwltdbl/google/cloud/spanner_admin_database_v1/proto/backup.proto
2020-05-13 05:38:21,830 synthtool [DEBUG] > Copy: google/spanner/admin/database/v1/spanner_database_admin.proto to /tmpfs/tmp/tmp0qwltdbl/google/cloud/spanner_admin_database_v1/proto/spanner_database_admin.proto
2020-05-13 05:38:21,831 synthtool [SUCCESS] > Placed proto files into /tmpfs/tmp/tmp0qwltdbl/google/cloud/spanner_admin_database_v1/proto.
2020-05-13 05:38:21,831 synthtool [SUCCESS] > Generated code into /tmpfs/tmp/tmp0qwltdbl.
2020-05-13 05:38:21,837 synthtool [INFO] > Replaced "'google-cloud-spanner-admin-database'" in google/cloud/spanner_admin_database_v1/gapic/database_admin_client.py.
2020-05-13 05:38:21,847 synthtool [WARNING] > No replacements made in google/**/*.py for pattern from google\.cloud\.spanner\.admin\.database_v1.proto, maybe replacement is no longer needed?
2020-05-13 05:38:21,848 synthtool [INFO] > Replaced '"""Attributes:' in google/cloud/spanner_admin_instance_v1/proto/spanner_instance_admin_pb2.py.
2020-05-13 05:38:21,848 synthtool [INFO] > Replaced 'cloud.spanner_admin_instance_v1.types._OperationFuture' in google/cloud/spanner_admin_instance_v1/gapic/instance_admin_client.py.
2020-05-13 05:38:21,849 synthtool [INFO] > Replaced 'cloud.spanner_admin_database_v1.types._OperationFuture' in google/cloud/spanner_admin_database_v1/gapic/database_admin_client.py.
.coveragerc
.flake8
.github/CONTRIBUTING.md
.github/ISSUE_TEMPLATE/bug_report.md
.github/ISSUE_TEMPLATE/feature_request.md
.github/ISSUE_TEMPLATE/support_request.md
.github/PULL_REQUEST_TEMPLATE.md
.github/release-please.yml
.gitignore
.kokoro/build.sh
.kokoro/continuous/common.cfg
.kokoro/continuous/continuous.cfg
.kokoro/docs/common.cfg
.kokoro/docs/docs.cfg
.kokoro/presubmit/common.cfg
.kokoro/presubmit/presubmit.cfg
.kokoro/publish-docs.sh
.kokoro/release.sh
.kokoro/release/common.cfg
.kokoro/release/release.cfg
.kokoro/trampoline.sh
CODE_OF_CONDUCT.md
CONTRIBUTING.rst
LICENSE
MANIFEST.in
docs/_static/custom.css
docs/_templates/layout.html
docs/conf.py.j2
docs/multiprocessing.rst
noxfile.py.j2
renovate.json
setup.cfg
2020-05-13 05:38:21,940 synthtool [INFO] > Replaced 'include README.rst LICENSE\n' in MANIFEST.in.
Running session blacken
Creating virtual environment (virtualenv) using python3.6 in .nox/blacken
pip install black==19.3b0
black docs google tests noxfile.py setup.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/gapic/enums.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/docs/conf.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/gapic/database_admin_client_config.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/backup_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/gapic/transports/database_admin_grpc_transport.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/common_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/common_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/spanner_database_admin_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/gapic/enums.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/gapic/database_admin_client.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/gapic/instance_admin_client_config.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/gapic/transports/instance_admin_grpc_transport.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/gapic/instance_admin_client.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/backup_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/proto/spanner_instance_admin_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/gapic/enums.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/gapic/spanner_client_config.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/gapic/transports/spanner_grpc_transport.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_database_v1/proto/spanner_database_admin_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/keys_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/keys_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/mutation_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/gapic/spanner_client.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/query_plan_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/mutation_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/result_set_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_admin_instance_v1/proto/spanner_instance_admin_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/result_set_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/query_plan_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/transaction_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/spanner_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/type_pb2_grpc.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/type_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/transaction_pb2.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/tests/unit/gapic/v1/test_instance_admin_client_v1.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/tests/unit/gapic/v1/test_database_admin_client_v1.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/tests/unit/gapic/v1/test_spanner_client_v1.py
reformatted /home/kbuilder/.cache/synthtool/python-spanner/google/cloud/spanner_v1/proto/spanner_pb2.py
All done! ✨ 🍰 ✨
38 files reformatted, 56 files left unchanged.
Session blacken was successful.
2020-05-13 05:38:34,696 synthtool [DEBUG] > Wrote metadata to synth.metadata.

[larkee]

Towards #83