Show colored explanation in git map-branches -h
Show colored explanation in git map-branches -h

Bug:

Change-Id: Ie624d20ecff2afd274043620fbb2edcbcee857c6
Reviewed-on: https://chromium-review.googlesource.com/476670
Commit-Queue: anatoly techtonik <657222fa4408d5fb9c49497617f580f8c5974a3b@gmail.com>
Reviewed-by: Robbie Iannucci <40f3d43a28ebae3cb819288542e1c84d73d962d5@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools