Move webrtc/{tools => rtc_tools}

webrtc/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']);