Add qsr to mojo WATCHLIST.

WATCHLISTS

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Watchlist Rules
 # Refer: http://dev.chromium.org/developers/contributing-code/watchlists
 
 # IMPORTANT: The regular expression filepath is tested against each path using
 # re.search, so it is not usually necessary to add .*.
 
@@ skipping 810 matching lines @@
                         'tommycli@chromium.org', 'vandebo@chromium.org'],
     'message_loop': ['sadrul@chromium.org'],
     'metrics': ['jar@chromium.org',
                 'isherman@chromium.org',
                 'asvitkine+watch@chromium.org'],
     'metrics_xml_files': ['jar@chromium.org', 'asvitkine+watch@chromium.org'],
     'mojo': ['aa@chromium.org',
              'abarth@chromium.org',
              'ben+mojo@chromium.org',
              'darin@chromium.org',
+             'qsr+mojo@chromium.org',
              'viettrungluu+watch@chromium.org'],
     'mouse_lock': ['scheib+watch@chromium.org'],
     'music_manager_private': ['gab+watch@chromium.org',
                               'erikwright+watch@chromium.org',
                               'robertshield+watch@chromium.org'],
     'nacl': ['native-client-reviews@googlegroups.com'],
     'native_client_sdk': ['sbc@chromium.org', 'binji+watch@chromium.org'],
     'navigation': ['creis+watch@chromium.org', 'nasko+codewatch@chromium.org'],
     'net': ['cbentzel+watch@chromium.org'],
     'net_error_list': ['mmenke@chromium.org'],
@@ skipping 81 matching lines @@
     'webrtc_media': ['fischman+watch@chromium.org',
                      'wjia+watch@chromium.org',
                      'mcasas+watch@chromium.org'],
     'website_settings': ['markusheintz@chromium.org'],
     'worker': ['jam@chromium.org'],
     'x11': ['derat+watch@chromium.org',
             'sadrul@chromium.org',
             'yusukes+watch@chromium.org'],
   },
 }