Move modified after registerProperties in FlowRuleManager

Change-Id: Ic5826cb55df384eec4d710e8a2b826387ac5f3ab
diff --git a/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java b/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
index 960f322..a35d7a7 100644
--- a/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
+++ b/core/net/src/main/java/org/onosproject/net/flow/impl/FlowRuleManager.java
@@ -162,11 +162,11 @@
 
     @Activate
     public void activate(ComponentContext context) {
-        modified(context);
         store.setDelegate(delegate);
         eventDispatcher.addSink(FlowRuleEvent.class, listenerRegistry);
         deviceService.addListener(deviceListener);
         cfgService.registerProperties(getClass());
+        modified(context);
         idGenerator = coreService.getIdGenerator(FLOW_OP_TOPIC);
         log.info("Started");
     }