CORD-2688: Update routes URL for ONOS 1.12

Change-Id: Icc388bdfad8920878ab0a1b09d16156b98c9b630
diff --git a/xos/synchronizer/steps/sync_addressmanagerserviceinstance.py b/xos/synchronizer/steps/sync_addressmanagerserviceinstance.py
index 56e5cfb..8f48b45 100644
--- a/xos/synchronizer/steps/sync_addressmanagerserviceinstance.py
+++ b/xos/synchronizer/steps/sync_addressmanagerserviceinstance.py
@@ -103,7 +103,7 @@
         return None
 
     def get_routes_url(self, fos):
-        url = 'http://%s:%s/onos/v1/routes' % (fos.rest_hostname, fos.rest_port)
+        url = 'http://%s:%s/onos/routeservice/routes' % (fos.rest_hostname, fos.rest_port)
 
         logger.info("url: %s" % url)
         return url