Use chromoting-reviews@ group in the remoting watchlist

It's easier to add/remove members with groups.

R=jamiewalch@chromium.org

Review URL: https://codereview.chromium.org/134253006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@249477 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 249477