Fix root_files WATCHLIST.

WATCHLISTS

 # Copyright (c) 2011 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.
 
 # Inspired by chromium.org:
 # http://dev.chromium.org/developers/contributing-code/watchlists
 
 {
   'WATCHLIST_DEFINITIONS': {
     'this_file': {
       'filepath': '^WATCHLISTS$',
     },
     'all_webrtc': {
       # NOTE: if you like this you might like webrtc-reviews@webrtc.org!
-      'filepath': 'webrtc/.*',
+      'filepath': '^webrtc/.*',
     },
     'root_files': {
       # webrtc/build/ and non-recursive contents of ./ and webrtc/
-      'filepath': '^[^/]*$|webrtc/[^/]*$|webrtc/build/.*',
+      'filepath': '^[^/]*$|^webrtc/[^/]*$|^webrtc/build/.*',
     },
     'documented_interfaces': {
-      'filepath': 'webrtc/[^/]*\.h$|'\
+      'filepath': '^webrtc/[^/]*\.h$|'\
                   'webrtc/voice_engine/include/.*',
     },
     'build_files': {
       'filepath': '\.gyp$|\.gypi$|Android\.mk$',
     },
     'java_files': {
       'filepath': '\.java$|\.xml$',
     },
     'video_engine': {
       'filepath': 'webrtc/video_engine/.*|'\
@@ skipping 66 matching lines @@
                      'minyue@webrtc.org',
                      'peah@webrtc.org'],
     'video_engine': ['andresp@webrtc.org',
                      'mflodman@webrtc.org',
                      'perkj@webrtc.org',
                      'solenberg@webrtc.org',
                      'stefan@webrtc.org',
                      'video-team@agora.io',
                      'yujie.mao@webrtc.org',
                      'zhengzhonghou@agora.io'],
-    'voice_engine': ['audio-team@agora.io',
+    'voice_engine': ['andrew@webrtc.org',
+                     'audio-team@agora.io',
                      'henrika@webrtc.org',
                      'henrik.lundin@webrtc.org',
                      'minyue@webrtc.org',
                      'peah@webrtc.org',
                      'solenberg@webrtc.org'],
     'video_capture': ['mflodman@webrtc.org',
                       'perkj@webrtc.org',
                       'sdk-team@agora.io',
                       'zhengzhonghou@agora.io'],
     'video_render': ['mflodman@webrtc.org',
@@ skipping 34 matching lines @@
                            'zhuangzesen@agora.io'],
     'remote_bitrate_estimator': ['mflodman@webrtc.org',
                                  'stefan@webrtc.org',
                                  'zhuangzesen@agora.io'],
     'pacing': ['mflodman@webrtc.org',
                'stefan@webrtc.org',
                'zhuangzesen@agora.io'],
     'rtp_rtcp': ['mflodman@webrtc.org',
                  'stefan@webrtc.org',
                  'zhuangzesen@agora.io'],
-    'system_wrappers': ['andrew@webrtc.org',
-                        'fengyue@agora.io',
+    'system_wrappers': ['fengyue@agora.io',
                         'henrika@webrtc.org',
                         'mflodman@webrtc.org',
                         'peah@webrtc.org',
                         'zhengzhonghou@agora.io'],
   },
 }