Fix WATCHLISTS.

Remove 'l' character that was added at the end of line 816 in crrev.com/228265

That character broke it.

BUG=None
TEST=verity that python ~/depot_tools/watchlists.py ui/views works again,
and also on 'git cl upload'.
TBR=ben@chromium.org

Review URL: https://codereview.chromium.org/26429004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228393 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228393