Build uploadvalidator on stable-3.2

Change-Id: I9b693752ebb990d34820576efb011da2414c4886
diff --git a/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml b/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
index f225b70..4826ea8 100644
--- a/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
+++ b/jenkins/gerrit-bazel-plugin-uploadvalidator.yaml
@@ -3,12 +3,8 @@
     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-3.2