Build admin-console against gerrit stable-3.6

Bug: Issue 15831
Change-Id: Ib9e6417c3a4073cb8bcab34fe2c1db6a011f58db
diff --git a/jenkins/gerrit-bazel-plugin-admin-console.yaml b/jenkins/gerrit-bazel-plugin-admin-console.yaml
index aa5d86d..3c3469d 100644
--- a/jenkins/gerrit-bazel-plugin-admin-console.yaml
+++ b/jenkins/gerrit-bazel-plugin-admin-console.yaml
@@ -5,6 +5,7 @@
           branch:
             - master
           gerrit-branch:
+            - stable-3.6
             - stable-3.5
             - stable-3.4
             - stable-3.3