cluster: add services_extra_states

Enable defaults for minimized model used
by opencontrail ci.

PROD-23325

Change-Id: I2ed16c8037901d1291db0927e6e9a5d92bb21d85
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index dedcc1f..aae62cf 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -68,6 +68,13 @@
         id: 2
       - host: ${_param:cluster_node03_address}
         id: 3
+      services_extra_states:
+        contrail-schema:
+        - backup
+        contrail-svc-monitor:
+        - backup
+        contrail-device-manager:
+        - backup
     control:
       version: ${_param:opencontrail_version}
       enabled: true