Build zookeeper-refdb plugin for Gerrit v3.2

Change-Id: I589fc484f4b79eb142e3747e192e30f82522944f
diff --git a/jenkins/gerrit-bazel-plugin-zookeeper-refdb.yaml b/jenkins/gerrit-bazel-plugin-zookeeper-refdb.yaml
index 42f835c..3d99ca7 100644
--- a/jenkins/gerrit-bazel-plugin-zookeeper-refdb.yaml
+++ b/jenkins/gerrit-bazel-plugin-zookeeper-refdb.yaml
@@ -1,9 +1,14 @@
 - project:
     name: zookeeper-refdb
     jobs:
-      - 'plugin-{name}-bazel-{branch}':
+      - 'plugin-{name}-bazel-{branch}-{gerrit-branch}':
           branch:
             - master
+          gerrit-branch:
+            - master
+            - stable-3.2
+      - 'plugin-{name}-bazel-{branch}':
+          branch:
             - stable-3.1
             - stable-3.0
       - 'plugin-{name}-verifier'