Build websession-broker plugin on stable-3.3

Change-Id: I0d2778b2a9bc8cec36917a96ec00a970e5b48467
diff --git a/jenkins/gerrit-bazel-plugin-websession-broker.yaml b/jenkins/gerrit-bazel-plugin-websession-broker.yaml
index 2f72765..bea30f4 100644
--- a/jenkins/gerrit-bazel-plugin-websession-broker.yaml
+++ b/jenkins/gerrit-bazel-plugin-websession-broker.yaml
@@ -1,13 +1,10 @@
 - project:
     name: websession-broker
     jobs:
-      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
-          branch:
-            - master
-          gerrit-branch:
-            - master
-            - stable-3.2
       - 'plugin-{name}-bazel-{branch}':
           branch:
+            - master
+            - stable-3.3
+            - stable-3.2
             - stable-3.1
             - stable-3.0