Move webrtc/{tools => rtc_tools}

webrtc/rtc_tools/agc/activity_metric.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 375 matching lines @@
     return 0;
   }
   rtc::FlagList::SetFlagsFromCommandLine(&argc, argv, true);
   if (FLAG_help) {
     rtc::FlagList::Print(nullptr, false);
     return 0;
   }
   webrtc::void_main(argc, argv);
   return 0;
 }