Bug 1517732 - Expose routes.statuses because taskcluster-github now adds it

Author: JohanLorenzo

.taskcluster.yml

@@ -34,6 +34,8 @@ tasks:
           - queue:create-task:aws-provisioner-v1/github-worker
           - queue:scheduler-id:${scheduler_id}
           - secrets:get:project/mobile/android-components/public-tokens
+        routes:
+          - statuses  # Automatically added by taskcluster-github. It must be explicit because of Chain of Trust
         payload:
           maxRunTime: 3600
           image: mozillamobile/android-components:1.11