This would cause a few exceptions on the CQ until it realizes the checkout is
not present anymore.

R=petermayo@chromium.org
BUG=


Review URL: https://chromiumcodereview.appspot.com/11649011

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@173916 0039d316-1c4b-4281-b951-d872f2087c98