Modify proxy arp for mwc demo

Change-Id: I613f82a2e829ae24441875270880a06386b2d8a7
diff --git a/apps/proxyarp/src/main/java/org/onosproject/proxyarp/DefaultProxyArp.java b/apps/proxyarp/src/main/java/org/onosproject/proxyarp/DefaultProxyArp.java
index d8095bb..4f02787 100644
--- a/apps/proxyarp/src/main/java/org/onosproject/proxyarp/DefaultProxyArp.java
+++ b/apps/proxyarp/src/main/java/org/onosproject/proxyarp/DefaultProxyArp.java
@@ -23,6 +23,7 @@
 import org.apache.felix.scr.annotations.ReferenceCardinality;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.core.CoreService;
+import org.onosproject.net.intf.InterfaceService;
 import org.onosproject.net.neighbour.DefaultNeighbourMessageHandler;
 import org.onosproject.net.neighbour.NeighbourResolutionService;
 import org.onosproject.net.ConnectPoint;
@@ -52,10 +53,14 @@
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected CoreService coreService;
 
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected InterfaceService interfaceService;
+
     private ApplicationId appId;
 
     private InternalEdgeListener edgeListener = new InternalEdgeListener();
-    private DefaultNeighbourMessageHandler defaultHandler = new DefaultNeighbourMessageHandler();
+    private DefaultNeighbourMessageHandler defaultHandler =
+            new DefaultNeighbourMessageHandler(interfaceService);
 
     @Activate
     protected void activate() {