Enable it for git-cl and gcl.
R=nsylvain@chromium.org
BUG=107838
TEST=New connections go through https://
Review URL: http://codereview.chromium.org/9214004
git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@117857 0039d316-1c4b-4281-b951-d872f2087c98