Useful in cases like the green presubmit runs on crrev.com/i/1434617/2

Bug: 925774
Change-Id: I37ce2be843d76ace0615cd3313e5c8421504a1ba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/1687122Reviewed-by: Nodir Turakulov <nodir@chromium.org>
Commit-Queue: John Budorick <jbudorick@chromium.org>