Update builders to delete git/obj dirs when gc --auto breaks.
This allows builders to recover from git corruption.
BUG=chromium:552503
TEST=Unit tests. Trybot run.
Change-Id: I06b85c12a6ef4ac1a9193f6759d18b88d8d4724a
Reviewed-on: https://chromium-review.googlesource.com/311423
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
Reviewed-by: David James <davidjames@chromium.org>
Commit-Queue: David James <davidjames@chromium.org>
Trybot-Ready: David James <davidjames@chromium.org>
Tested-by: David James <davidjames@chromium.org>
2 files changed
