Build its-jira plugin against 3.3

Change-Id: I5b4aff6343b1be065ba40198e500e0e5b6c13c60
diff --git a/jenkins/gerrit-bazel-plugin-its-jira.yaml b/jenkins/gerrit-bazel-plugin-its-jira.yaml
index c5f21f9..c4d409f 100644
--- a/jenkins/gerrit-bazel-plugin-its-jira.yaml
+++ b/jenkins/gerrit-bazel-plugin-its-jira.yaml
@@ -1,9 +1,15 @@
 - project:
     name: jira
     jobs:
-      - 'plugin-its-{name}-bazel-{branch}':
+      - 'plugin-its-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
+          gerrit-branch:
+            - master
+            - stable-3.3
+          targets: 'plugins/its-jira:its-jira plugins/its-jira:its_jira_tests'
+      - 'plugin-its-{name}-bazel-{branch}':
+          branch:
             - stable-3.2
             - stable-3.1
             - stable-2.16