have exampleservice use the new node_key

Change-Id: I746132d0bf29ad88a90e4989df52dda479016fad
diff --git a/xos/synchronizer/exampleservice_config b/xos/synchronizer/exampleservice_config
index c52d2db..38f346a 100644
--- a/xos/synchronizer/exampleservice_config
+++ b/xos/synchronizer/exampleservice_config
@@ -20,6 +20,8 @@
 pretend=False
 backoff_disabled=True
 save_ansible_output=True
-proxy_ssh=False
+proxy_ssh=True
+proxy_ssh_key=/opt/cord_profile/node_key
+proxy_ssh_user=root
 enable_watchers=True