Build simple-submit-rules plugin on stable-3.2 and stable-3.3

Change-Id: Ie0edcc2b53cf17f2268c8528b7bb4ba6c5534973
diff --git a/jenkins/gerrit-bazel-plugin-simple-submit-rules.yaml b/jenkins/gerrit-bazel-plugin-simple-submit-rules.yaml
index a839780..39ad881 100644
--- a/jenkins/gerrit-bazel-plugin-simple-submit-rules.yaml
+++ b/jenkins/gerrit-bazel-plugin-simple-submit-rules.yaml
@@ -3,7 +3,13 @@
     jobs:
       - 'plugin-{name}-bazel-{branch}':
           branch:
-            - master
+            - stable-3.2
             - stable-3.1
             - stable-3.0
             - stable-2.16
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
+          branch:
+            - master
+          gerrit-branch:
+            - master
+            - stable-3.3