CORD-1250 Update to new Service/Tenancy models

Change-Id: I0e7d7de2a2fb41066af14e7ac54d618b1d76dbee
diff --git a/xos/synchronizer/vtnnetport.py b/xos/synchronizer/vtnnetport.py
index e1c15bb..bef9b37 100644
--- a/xos/synchronizer/vtnnetport.py
+++ b/xos/synchronizer/vtnnetport.py
@@ -65,10 +65,10 @@
             return []
 
         nets=[]
-        for tenant in service.subscribed_tenants.all():
-            if tenant.provider_service:
-                bidirectional = tenant.connect_method!="private-unidirectional"
-                for net in tenant.provider_service.get_composable_networks():
+        for dep in service.subscribed_dependencies.all():
+            if dep.provider_service:
+                bidirectional = dep.connect_method!="private-unidirectional"
+                for net in dep.provider_service.get_composable_networks():
                     if not net.controllernetworks.exists():
                         continue
 
@@ -90,10 +90,10 @@
             return []
 
         nets=[]
-        for tenant in service.provided_tenants.all():
-            if tenant.subscriber_service:
-                bidirectional = tenant.connect_method!="private-unidirectional"
-                for net in tenant.subscriber_service.get_composable_networks():
+        for dep in service.provided_dependencies.all():
+            if dep.subscriber_service:
+                bidirectional = dep.connect_method!="private-unidirectional"
+                for net in dep.subscriber_service.get_composable_networks():
                     if not net.controllernetworks.exists():
                         continue