ClientLogin will be supposedly turned off on Apr 20.

R=maruel@chromium.org
BUG=356813

Review URL: https://codereview.chromium.org/1095033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@294899 0039d316-1c4b-4281-b951-d872f2087c98