XOS watcher changes to handle routing table updates inside instances

Change-Id: I931da3e21182ff79c86be778bf91ef9854535273
diff --git a/xos/synchronizer/exampleservice_config b/xos/synchronizer/exampleservice_config
index 7e59fdd..604def0 100644
--- a/xos/synchronizer/exampleservice_config
+++ b/xos/synchronizer/exampleservice_config
@@ -21,4 +21,5 @@
 backoff_disabled=True
 save_ansible_output=True
 proxy_ssh=False
+enable_watchers=True