Add BUILD_file_generator to the Bazel CI

Change-Id: I52de6a9448e2b170fabcf679662e94f964011943
diff --git a/jenkins/jobs/BUILD b/jenkins/jobs/BUILD
index 2b0d9d0..565b2bc 100644
--- a/jenkins/jobs/BUILD
+++ b/jenkins/jobs/BUILD
@@ -167,6 +167,7 @@
     "rules_k8s",
     "rules_python",
     "rules_nodejs",
+    "BUILD_file_generator",
 ]]
 
 # Jobs from the google org