Add DartPackage annotation to all mojo_services mojoms

mojo/services/nfc/public/interfaces/nfc.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+[DartPackage="mojo_services"]
 module nfc;
 
 struct NfcData {
   array<uint8>? data;
 };
 
 // Represents an in-progress nfc transmission.
 interface NfcTransmission {
   // Cancels the nfc transmission.
   Cancel();
@@ skipping 18 matching lines @@
     => (bool success);
 
   // Registers an app to receive nfc messages.  Upon receiving an nfc message
   // the app will be connected to.  If the app exposes a NfcReceiver interface
   // it will be called with the message received.
   Register();
 
   // Unregisters an app previously registered via |Register()|.
   Unregister();
 };