Build reviewers for Gerrit 2.14

Change-Id: I7cd59c0638cd9ad984aac96694b1de58ee52e1ab
diff --git a/jenkins/gerrit-buck-bazel-plugin-reviewers.yaml b/jenkins/gerrit-buck-bazel-plugin-reviewers.yaml
index 0df934c..bebe423 100644
--- a/jenkins/gerrit-buck-bazel-plugin-reviewers.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-reviewers.yaml
@@ -10,3 +10,5 @@
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-2.14
+