Build metrics-reporter-cloudwatch for Gerrit master and v3.2

Change-Id: I9be503f4552d8fddb18c6f755e3ae0858d859c5b
diff --git a/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml b/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml
new file mode 100644
index 0000000..ed8e457
--- /dev/null
+++ b/jenkins/gerrit-bazel-plugin-metrics-reporter-cloudwatch.yaml
@@ -0,0 +1,9 @@
+- project:
+    name: metrics-reporter-cloudwatch
+    jobs:
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
+          branch:
+            - master
+          gerrit-branch:
+            - master
+            - stable-3.2