Build admin-console plugin for Gerrit v3.2

Change-Id: I4c53540902748c3dbe6569381bdaabbbaca853fc
diff --git a/jenkins/gerrit-bazel-plugin-admin-console.yaml b/jenkins/gerrit-bazel-plugin-admin-console.yaml
index f1e4c79..19b8af0 100644
--- a/jenkins/gerrit-bazel-plugin-admin-console.yaml
+++ b/jenkins/gerrit-bazel-plugin-admin-console.yaml
@@ -6,6 +6,7 @@
             - master
           gerrit-branch:
             - master
+            - stable-3.2
             - stable-3.1
       - 'plugin-{name}-bazel-{branch}':
           branch: