Move Android video quality loopback script.

webrtc/examples/androidtests/video_quality_loopback_test.py

 #!/usr/bin/env python
 # Copyright (c) 2017 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 10 matching lines @@
 import argparse
 import logging
 import os
 import shutil
 import subprocess
 import sys
 import tempfile
 
 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
-SRC_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir))
+SRC_DIR = os.path.normpath(os.path.join(SCRIPT_DIR, os.pardir, os.pardir,
+                                        os.pardir))
 
 
 def _RunCommand(argv, **kwargs):
   logging.info('Running %r', argv)
   subprocess.check_call(argv, **kwargs)
 
 
 def _ParseArgs():
   parser = argparse.ArgumentParser(description='Start loopback video analysis.')
   parser.add_argument('--source_dir', default=SRC_DIR,
-      help='The path to the WebRTC source directory. Default: %default.')
+      help='The path to the WebRTC source directory. Default: %(default)s.')
   parser.add_argument('build_dir_android',
       help='The path to the build directory for Android.')
   parser.add_argument('--build_dir_x86',
       help='The path to the build directory for building locally.')
   parser.add_argument('--temp_dir',
       help='A temporary directory to put the output.')
 
   args = parser.parse_args()
   return args
 
@@ skipping 73 matching lines @@
       '--stats_file_ref', stats_file_ref,
       '--stats_file_test', stats_file_test, '--frame_analyzer', frame_analyzer,
       '--ffmpeg_path', ffmpeg_path, '--zxing_path', zxing_path])
 
   shutil.rmtree(temp_dir)
 
 
 if __name__ == '__main__':
   sys.exit(main())