Create top-level dir tools-webrtc and start moving things into it.

tools/video_quality_toolchain/download.py

-#!/usr/bin/env python
-# Copyright (c) 2016 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.
-
-"""Downloads precompiled tools needed for video quality analysis."""
-
-import os
-import subprocess
-import sys
-
-
-SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
-
-
-def main():
-  cmd = [
-    'download_from_google_storage',
-    '--directory',
-    '--num_threads=10',
-    '--bucket', 'chrome-webrtc-resources',
-    '--auto_platform',
-    '--recursive',
-    SCRIPT_DIR,
-  ]
-  print 'Downloading video quality analysis tools...'
-  subprocess.check_call(cmd)
-
-
-if __name__ == '__main__':
-  sys.exit(main())