Change layout mailing list name to match directory name.

WATCHLISTS

 # Copyright (c) 2013 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 421 matching lines @@
     'public_api': [ 'dglazkov+blink@chromium.org' ],
     'indexed_db': ['dgrogan@chromium.org',
                    'jsbell+idb@chromium.org',
                    'cmumford@chromium.org'],
     'layout': [ 'pdr+renderingwatchlist@chromium.org',
                 'eae+blinkwatch@chromium.org',
                 'jchaffraix+rendering@chromium.org',
                 'leviw+renderwatch@chromium.org',
                 'zoltan@webkit.org',
                 'szager+layoutwatch@chromium.org',
-                'blink-reviews-rendering@chromium.org' ],
+                'blink-reviews-layout@chromium.org' ],
     'paint' : [ 'blink-reviews-paint@chromium.org',
                 'slimming-paint-reviews@chromium.org',
                 'dongseong.hwang@intel.com' ],
     'compositing': [ ],
     'permissions': [ 'mlamouri+watch-blink@chromium.org' ],
     'prerender': [ 'gavinp+prerender@chromium.org',
                    'yoav@yoav.ws' ],
     'preloadScanner': [ 'yoav@yoav.ws' ],
     'push_messaging': [ 'johnme+watch@chromium.org',
                         'mvanouwerkerk+watch@chromium.org',
@@ skipping 74 matching lines @@
                     'yhirano+watch@chromium.org' ],
     'workers': [ 'blink-worker-reviews@chromium.org',
                  'kinuko+worker@chromium.org',
                  'horo+watch@chromium.org',
                  'falken@chromium.org' ],
     'wtf': [ 'mikhail.pozdnyakov@intel.com',
              'blink-reviews-wtf@chromium.org' ],
     'xmlhttprequest': [ 'tyoshino+watch@chromium.org' ],
   },
 }