Cross-build branch-network for Gerrit 2.14

Change-Id: I8eb50464e311d602b7d2b16d9b44c6c1d509da12
diff --git a/jenkins/gerrit-buck-bazel-plugin-branch-network.yaml b/jenkins/gerrit-buck-bazel-plugin-branch-network.yaml
index c190536..f754496 100644
--- a/jenkins/gerrit-buck-bazel-plugin-branch-network.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-branch-network.yaml
@@ -6,6 +6,9 @@
             - stable-2.12
             - stable-2.11
             - stable-2.10
-      - 'plugin-{name}-bazel-{branch}':
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
+          gerrit-branch:
+            - master
+            - stable-2.14