Add Kokoro build config

PiperOrigin-RevId: 567673786

kokoro/gcp_ubuntu_docker/common.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+#------------------------------------------------------------------------------
+# Install bazelisk
+#------------------------------------------------------------------------------
+function install_bazelisk() {
+  bazelisk_version="v1.16.0"
+  download_url="https://github.com/bazelbuild/bazelisk/releases/download/${bazelisk_version}/bazelisk-linux-amd64"
+  mkdir -p "${TMPDIR}/bazelisk-release"
+  wget -nv ${download_url} -O "${TMPDIR}/bazelisk-release/bazelisk"
+  chmod +x "${TMPDIR}/bazelisk-release/bazelisk"
+  export PATH="${TMPDIR}/bazelisk-release:${PATH}"
+}
+

kokoro/gcp_ubuntu_docker/kokoro_build.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Fail on any error.
+set -e
+
+# this directory must exist for artifacts to be uploaded
+mkdir -p "${KOKORO_ARTIFACTS_DIR}/artifacts"
+cd "${KOKORO_ARTIFACTS_DIR}/github/android-test-releases"
+
+source kokoro/gcp_ubuntu_docker/common.sh
+install_bazelisk
+# runner has @androidsdk//:legacy_test-30 as a dependency
+/opt/android-sdk/cmdline-tools/latest/bin/sdkmanager --sdk_root=/opt/android-sdk "platforms;android-30" "build-tools;30.0.0"
+# building :axt_m2_repository uses @androidsdk//:build-tools/33.0.2/aapt2
+/opt/android-sdk/cmdline-tools/latest/bin/sdkmanager --sdk_root=/opt/android-sdk "build-tools;33.0.2"
+/opt/android-sdk/cmdline-tools/latest/bin/sdkmanager --sdk_root=/opt/android-sdk "platforms;android-34" "build-tools;34.0.0"
+
+bazelisk build :axt_m2repository
+
+# copy the zip here so that we don't follow symlinks to get the files to upload
+cp bazel-bin/axt_m2repository.zip .

kokoro/gcp_ubuntu_docker/release.cfg

@@ -0,0 +1,9 @@
+build_file: "android-test-releases/kokoro/gcp_ubuntu_docker/kokoro_build.sh"
+
+action {
+  define_artifacts {
+    regex: "github/android-test-releases/axt_m2repository.zip"
+    strip_prefix: "github/android-test-releases"
+    fail_if_no_artifacts: true
+  }
+}