CORD-1010 refactor openstack synchronizer to use new_base

Change-Id: I4eb4e5131275faf69e1da05efc81a3d8d0d12296
diff --git a/xos/synchronizer/model_policies/model_policy_SitePrivilege.py b/xos/synchronizer/model_policies/model_policy_SitePrivilege.py
index d9c6a1e..2218994 100644
--- a/xos/synchronizer/model_policies/model_policy_SitePrivilege.py
+++ b/xos/synchronizer/model_policies/model_policy_SitePrivilege.py
@@ -1,10 +1,10 @@
+from synchronizers.new_base.modelaccessor import *
+
 def handle(site_privilege):
-    from core.models import Controller, SitePrivilege, ControllerSitePrivilege
-    
     # site_privilege = SitePrivilege.get(site_privilege_id)
     # apply site privilage at all controllers
     controller_site_privileges = ControllerSitePrivilege.objects.filter(
-        site_privilege = site_privilege,
+        site_privilege_id = site_privilege.id,
         )
     existing_controllers = [sp.controller for sp in controller_site_privileges]
     all_controllers = Controller.objects.all()