[SEBA-165] hide backend and policy_status for services which doesn't have those

Change-Id: I698db96d756526b8ca416fecfe5da3451252e4c6
diff --git a/xos/synchronizer/config.yaml b/xos/synchronizer/config.yaml
index 5a1a842..30d2013 100644
--- a/xos/synchronizer/config.yaml
+++ b/xos/synchronizer/config.yaml
@@ -15,7 +15,7 @@
 
 
 name: fabric-crossconnect
-core_version: ">=2.2.1"
+core_version: ">=3.2.8"
 required_models:
   - FabricCrossconnectService
   - FabricCrossconnectServiceInstance
diff --git a/xos/synchronizer/models/fabric-crossconnect.xproto b/xos/synchronizer/models/fabric-crossconnect.xproto
index 0d8fc45..18f0a26 100644
--- a/xos/synchronizer/models/fabric-crossconnect.xproto
+++ b/xos/synchronizer/models/fabric-crossconnect.xproto
@@ -11,6 +11,8 @@
     option verbose_name = "Fabric Crossconnect Service Instance";
     option owner_class_name = "FabricCrossconnectService";
     option description = "Tenancy in the fabric crossconnect service, representing one s-tag routed through the agg switch";
+    option policy_implemented = "True";
+    option sync_implemented = "True";
 
     required int32 s_tag = 1 [
         help_text = "vlan tag of packets to crossconnect"];