Append forwarder name to ipfwd command

Pass the name of entity that is requesting to enable/disable
ip forwarding

Change-Id: Iaf04768a23c417eb7d40af776c6fc76efaa67bb7
diff --git a/services/core/java/com/android/server/NetworkManagementService.java b/services/core/java/com/android/server/NetworkManagementService.java
index 748018d..6719aa6f 100644
--- a/services/core/java/com/android/server/NetworkManagementService.java
+++ b/services/core/java/com/android/server/NetworkManagementService.java
@@ -1133,7 +1133,7 @@
     public void setIpForwardingEnabled(boolean enable) {
         mContext.enforceCallingOrSelfPermission(CONNECTIVITY_INTERNAL, TAG);
         try {
-            mConnector.execute("ipfwd", enable ? "enable" : "disable");
+            mConnector.execute("ipfwd", enable ? "enable" : "disable", "tethering");
         } catch (NativeDaemonConnectorException e) {
             throw e.rethrowAsParcelableException();
         }