Disable problematic test until we can get git pinned.
Disable problematic test until we can get git pinned.

BUG=670678

Change-Id: I70f39618eea7dd6428d18e5ba60b539cdd57889c
Reviewed-on: https://chromium-review.googlesource.com/416357
Commit-Queue: Robbie Iannucci <40f3d43a28ebae3cb819288542e1c84d73d962d5@chromium.org>
Reviewed-by: Robbie Iannucci <40f3d43a28ebae3cb819288542e1c84d73d962d5@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools