chore: update common templates (#62)

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Synth log will be available here:
https://source.cloud.google.com/results/invocations/d6bf982d-3f70-479b-8cc3-60d7907932a0/targets

.kokoro/common.sh

@@ -13,18 +13,28 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# set -eo pipefail
-
 function retry_with_backoff {
     attempts_left=$1
     sleep_seconds=$2
     shift 2
     command=$@
 
+
+    # store current flag state
+    flags=$-
+
+    # allow a failures to continue
+    set +e
     echo "${command}"
     ${command}
     exit_code=$?
 
+    # restore "e" flag
+    if [[ ${flags} =~ e ]]
+    then set -e
+    else set +e
+    fi
+
     if [[ $exit_code == 0 ]]
     then
         return 0

.kokoro/nightly/integration.cfg

@@ -6,11 +6,26 @@ env_vars: {
   value: "gcr.io/cloud-devrel-kokoro-resources/java8"
 }
 
+env_vars: {
+  key: "JOB_TYPE"
+  value: "integration"
+}
+
+env_vars: {
+  key: "GCLOUD_PROJECT"
+  value: "gcloud-devel"
+}
+
 env_vars: {
   key: "ENABLE_BUILD_COP"
   value: "true"
 }
 
+env_vars: {
+    key: "GOOGLE_APPLICATION_CREDENTIALS"
+    value: "keystore/73713_java_it_service_account"
+}
+
 before_action {
   fetch_keystore {
     keystore_resource {

synth.metadata

@@ -1,12 +1,18 @@
 {
-  "updateTime": "2020-03-25T23:37:03.374738Z",
   "sources": [
+    {
+      "git": {
+        "name": ".",
+        "remote": "https://github.com/googleapis/java-notification.git",
+        "sha": "fd0c381968b440432676ca3a19129fbc1121007d"
+      }
+    },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "e36822bfa0acb355502dab391b8ef9c4f30208d8",
-        "log": "e36822bfa0acb355502dab391b8ef9c4f30208d8\nchore(java): treat samples shared configuration dependency update as chore (#457)\n\n\n1b4cc80a7aaf164f6241937dd87f3bd1f4149e0c\nfix: do not run node 8 CI (#456)\n\n\nee4330a0e5f4b93978e8683fbda8e6d4148326b7\nchore(java_templates): mark version bumps of current library as a chore (#452)\n\nWith the samples/install-without-bom/pom.xml referencing the latest released library, we want to mark updates of this version as a chore for renovate bot.\na0d3133a5d45544a66345059eebf76933265c099\nfix(java): run mvn install with retry (#453)\n\n* fix(java): run mvn install with retry\n\n* fix invocation of command\n6a17abc7652e2fe563e1288c6e8c23fc260dda97\ndocs: document the release schedule we follow (#454)\n\n\n7e98e1609c91082f4eeb63b530c6468aefd18cfd\nbuild: use checkout@v2, not v1, as this allows manual re-running of tests (#451)\n\nhttps://github.com/actions/checkout/issues/23\n"
+        "sha": "c7e0e517d7f46f77bebd27da2e5afcaa6eee7e25",
+        "log": "c7e0e517d7f46f77bebd27da2e5afcaa6eee7e25\nbuild(java): fix nightly integration test config to run integrations (#465)\n\nThis was only running the units.\nbd69a2aa7b70875f3c988e269706b22fefbef40e\nbuild(java): fix retry_with_backoff when -e option set (#475)\n\n\nd9b173c427bfa0c6cca818233562e7e8841a357c\nfix: record version of working repo in synth.metadata (#473)\n\nPartial revert of b37cf74d12e9a42b9de9e61a4f26133d7cd9c168.\nf73a541770d95a609e5be6bf6b3b220d17cefcbe\nfeat(discogapic): allow local discovery-artifact-manager (#474)\n\n\n8cf0f5d93a70c3dcb0b4999d3152c46d4d9264bf\ndoc: describe the Autosynth & Synthtool protocol (#472)\n\n* doc: describe the Autosynth & Synthtool protocol\n\n* Accommodate review comments.\n980baaa738a1ad8fa02b4fdbd56be075ee77ece5\nfix: pin sphinx to <3.0.0 as new version causes new error (#471)\n\nThe error `toctree contains reference to document changlelog that doesn't have a title: no link will be generated` occurs as of 3.0.0. Pinning to 2.x until we address the docs build issue.\n\nTowards #470\n\nI did this manually for python-datastore https://github.com/googleapis/python-datastore/pull/22\n928b2998ac5023e7c7e254ab935f9ef022455aad\nchore(deps): update dependency com.google.cloud.samples:shared-configuration to v1.0.15 (#466)\n\nCo-authored-by: Jeffrey Rennie <rennie@google.com>\n188f1b1d53181f739b98f8aa5d40cfe99eb90c47\nfix: allow local and external deps to be specified (#469)\n\nModify noxfile.py to allow local and external dependencies for\nsystem tests to be specified.\n1df68ed6735ddce6797d0f83641a731c3c3f75b4\nfix: apache license URL (#468)\n\n\nf4a59efa54808c4b958263de87bc666ce41e415f\nfeat: Add discogapic support for GAPICBazel generation (#459)\n\n* feat: Add discogapic support for GAPICBazel generation\n\n* reformat with black\n\n* Rename source repository variable\n\nCo-authored-by: Jeffrey Rennie <rennie@google.com>\n99820243d348191bc9c634f2b48ddf65096285ed\nfix: update template files for Node.js libraries (#463)\n\n\n3cbe6bcd5623139ac9834c43818424ddca5430cb\nfix(ruby): remove dead troubleshooting link from generated auth guide (#462)\n\n\na003d8655d3ebec2bbbd5fc3898e91e152265c67\ndocs: remove \"install stable\" instructions (#461)\n\nThe package hasn't been released to PyPI in some time\nf5e8c88d9870d8aa4eb43fa0b39f07e02bfbe4df\nchore(python): add license headers to config files; make small tweaks to templates (#458)\n\n\n"
       }
     }
   ]