Call set_static_route_entries to update static routes

A call to set_static_route_entries was missing before updating the routing
instance when global ASN changes. This causes the static routes to remain
unchanged.

Change-Id: Ie156e6ac888104fbfde740b5bf5219f415a107f3
Closes-Bug: 1565142

src/config/schema-transformer/config_db.py

@@ -465,6 +465,7 @@ def update_autonomous_system(self, new_asn):
                 if old_rtgt_name in static_route.route_target:
                     static_route.route_target.remove(old_rtgt_name)
                     static_route.route_target.append(new_rtgt_name)
+            left_ri.obj.set_static_route_entries(static_route_entries)
             self._vnc_lib.routing_instance_update(left_ri.obj)
         try:
             RouteTargetST.delete(old_rtgt_obj.get_fq_name()[0])