Add '+watch' to watchlist entry to facilitate filtering.

R=robertshield
BUG=None
TEST=None
NOTRY=TRUE

Review URL: https://chromiumcodereview.appspot.com/10854042

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150819 0039d316-1c4b-4281-b951-d872f2087c98

WATCHLISTS

@@ -433,7 +433,7 @@
                  'dyu@chromium.org'],
     'automation': ['kkania@chromium.org',
                    'robertshield@chromium.org'],
-    'base': ['brettw-cc@chromium.org', 'erikwright@chromium.org'],
+    'base': ['brettw-cc@chromium.org', 'erikwright+watch@chromium.org'],
     'base_memory': ['gavinp+memory@chromium.org'],
     'browser_chromeos': ['davemoore+watch@chromium.org',
                          'stevenjb+watch@chromium.org',