Build multi-site on stable-3.5 branch

Change-Id: I097e3dd39b432474e79eb84f24e3da17d993ddcf
diff --git a/jenkins/gerrit-bazel-plugin-multi-site.yaml b/jenkins/gerrit-bazel-plugin-multi-site.yaml
index 742b36b..0d3dc84 100644
--- a/jenkins/gerrit-bazel-plugin-multi-site.yaml
+++ b/jenkins/gerrit-bazel-plugin-multi-site.yaml
@@ -6,10 +6,10 @@
             - master
           gerrit-branch:
             - stable-3.6
-            - stable-3.5
       - 'plugin-{name}-bazel-{branch}':
           branch:
             - master
+            - stable-3.5
             - stable-3.4
             - stable-3.3
       - 'plugin-{name}-verifier'