Use samarth+watch for watchlist emails.

BUG=none


Review URL: https://chromiumcodereview.appspot.com/11778112

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@176338 0039d316-1c4b-4281-b951-d872f2087c98

WATCHLISTS

@@ -579,7 +579,7 @@
     'installer': ['grt+watch@chromium.org'],
     'instant': ['sreeram@chromium.org', 'gideonwald@chromium.org',
                 'dcblack@chromium.org', 'jered@chromium.org',
-                'dominich@chromium.org', 'samarth@chromium.org',
+                'dominich@chromium.org', 'samarth+watch@chromium.org',
                 'melevin@chromium.org'],
     'ipc': ['jam@chromium.org', 'darin-cc@chromium.org'],
     'labs': ['thakis@chromium.org'],