Follow internal impl change.

Change-Id: I61e545306182e106723e74f28650c165dcdab19a
diff --git a/cmds/monkey/src/com/android/commands/monkey/MonkeyNetworkMonitor.java b/cmds/monkey/src/com/android/commands/monkey/MonkeyNetworkMonitor.java
index 13cab44..6af9940 100644
--- a/cmds/monkey/src/com/android/commands/monkey/MonkeyNetworkMonitor.java
+++ b/cmds/monkey/src/com/android/commands/monkey/MonkeyNetworkMonitor.java
@@ -84,7 +84,7 @@
 
     public void register(IActivityManager am) throws RemoteException {
         if (LDEBUG) System.out.println("registering Receiver");
-        am.registerReceiver(null, this, filter, null); 
+        am.registerReceiver(null, null, this, filter, null); 
     }
     
     public void unregister(IActivityManager am) throws RemoteException {