Enable the chaps system-wide token. BUG=chromium:210525 TEST=manual Change-Id: Ib52d65af99a2e9082b9b572598b9dfe5f638fc25 Reviewed-on: https://chromium-review.googlesource.com/205793 Tested-by: Philipp Neubeck <pneubeck@chromium.org> Reviewed-by: Philipp Neubeck <pneubeck@chromium.org> Commit-Queue: Darren Krahn <dkrahn@chromium.org>