Move webrtc/{tools => rtc_tools}

webrtc/rtc_tools/rtcbot/test/ping_pong.js

 // Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the LICENSE file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS.  All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 //
 function testPingPong(test, bot) {
   test.assert(typeof bot.ping === 'function', 'Bot does not exposes ping.');
 
   bot.ping(gotAnswer);
 
   function gotAnswer(answer) {
     test.log('bot > ' + answer);
     test.done();
   }
 }
 
 registerBotTest('testPingPong/chrome', testPingPong, ['chrome']);