CORD-2753 set default owner for AddressManagerServiceInstance

Change-Id: I193f866f1c0185fbaa479374987c06196ce1ed3a
diff --git a/xos/synchronizer/models/addressmanager.xproto b/xos/synchronizer/models/addressmanager.xproto
index 7e3e075..46ada4c 100644
--- a/xos/synchronizer/models/addressmanager.xproto
+++ b/xos/synchronizer/models/addressmanager.xproto
@@ -9,6 +9,8 @@
 
 message AddressManagerServiceInstance (ServiceInstance){
     option verbose_name="Address Manager Service Instance";
+    option owner_class_name="AddressManagerService";
+
     optional string public_ip = 1 [db_index = False, max_length = 30, null = True, content_type = "stripped", blank = True];
     optional string public_mac = 2 [db_index = False, max_length = 30, null = True, content_type = "stripped", blank = True];
     optional manytoone address_pool->AddressPool:address_manager_service_instances = 3 [db_index = True, null = True, blank = True];