Update penghuang's WATCHLISTS.

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 996 matching lines @@
                 'kmadhusu+watch@chromium.org', 'dhollowa+watch@chromium.org',
                 'jfweitz+watch@chromium.org', 'skanuj+watch@chromium.org'],
     'ios_chrome': ['sdefresne+watch@chromium.org'],
     'ipc': ['jam@chromium.org', 'darin-cc@chromium.org'],
     'libwebp': ['urvang@chromium.org', 'jzern@chromium.org',
                 'skal@google.com', 'vikasa@google.com'],
     'linux_fonts': ['derat+watch@chromium.org'],
     'linux_sandboxing': ['jln+watch@chromium.org'],
     'linux_seccomp_bpf': ['jln+watch@chromium.org'],
     'supervised_users': ['pam+watch@chromium.org'],
-    'mandoline': ['yzshen+watch@chromium.org'],
+    'mandoline': ['yzshen+watch@chromium.org',
+                  'penghuang+watch-mandoline@chromium.org'],
     'manifest': ['mlamouri+watch-manifest@chromium.org'],
     'md_settings': ['jhawkins+watch-md-settings@chromium.org',
                     'jlklein+watch-md-settings@chromium.org',
                     'khorimoto+watch-md-settings@chromium.org',
                     'michaelpg+watch-md-settings@chromium.org',
                     'orenb+watch-md-settings@chromium.org',
                     'stevenjb+watch-md-settings@chromium.org'],
     'media': ['feature-media-reviews@chromium.org'],
     'media_galleries': ['thestig@chromium.org', 'tommycli@chromium.org'],
     'media_router': ['media-router+watch@chromium.org'],
@@ skipping 79 matching lines @@
                'nhiroki@chromium.org',
                'tzik@chromium.org'],
     'sync_proto': ['albertb+watch@chromium.org'],
     'tab_capture': ['miu+watch@chromium.org'],
     'tab_contents': ['avi@chromium.org',
                      'creis+watch@chromium.org', 'ajwong+watch@chromium.org'],
     'tab_media_indicators': ['miu+watch@chromium.org'],
     'tcmalloc': ['dmikurube@chromium.org'],
     'telemetry': ['telemetry-reviews@chromium.org'],
     'tests': [],
-    'textinput': ['penghuang+watch@chromium.org',
-                  'suzhe@chromium.org',
+    'textinput': ['suzhe@chromium.org',
                   'yusukes+watch@chromium.org',
                   'nona+watch@chromium.org',
                   'shuchen+watch@chromium.org'],
     'textinput_chromeos': ['yusukes+watch@chromium.org',
                            'nona+watch@chromium.org',
                            'shuchen+watch@chromium.org'],
     'timers': ['chirantan+watch@chromium.org'],
     'tools_emacs': ['dhollowa+watch@chromium.org'],
     'tracing': ['tracing+reviews@chromium.org', 'wfh+watch@chromium.org'],
     'ui_compositor': ['cc-bugs@chromium.org'],
@@ skipping 13 matching lines @@
                              'tnakamura+watch@chromium.org'],
     'website_settings': ['markusheintz@chromium.org',
                          'raymes+watch@chromium.org'],
     'windows_sandboxing': ['wfh+watch@chromium.org'],
     'x11': ['derat+watch@chromium.org',
             'sadrul@chromium.org',
             'yusukes+watch@chromium.org'],
     'zoom': ['wjmaclean@chromium.org'],
   },
 }