[VOL-1442]  This commit handles adapter registration end to end.
It introduces an adapter manager to handle all adapter admin
requests.  Some protos have been cleaned as well.

Change-Id: If75d4f7665c03e841d57f5621c30301940d04d93
diff --git a/rw_core/core/logical_device_manager.go b/rw_core/core/logical_device_manager.go
index 19eb6a4..18bc30a 100644
--- a/rw_core/core/logical_device_manager.go
+++ b/rw_core/core/logical_device_manager.go
@@ -291,7 +291,7 @@
 		// Update the device routes - let it run in its own go routine as it can take time
 		go agent.updateRoutes()
 	}
-	return status.Errorf(codes.NotFound, "%s", childDevice.Id)
+	return nil
 }
 
 func (ldMgr *LogicalDeviceManager) updateFlowTable(ctx context.Context, id string, flow *openflow_13.OfpFlowMod, ch chan interface{}) {