Through a comedy of wrapper scripts, the ^ is being swallowed, which
causes the `git config` invocation to match all lines which HAVE
"remote" in them, instead of matching lines which BEGIN with remote.

R=maruel@chromium.org, pkasting@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1566343002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@298185 0039d316-1c4b-4281-b951-d872f2087c98