Hopefully this will decrease the time it takes to run
presubmit tests and avoid them timing out.

Change-Id: If12abf2f7c64d6f05bb7b492ad53dee1fa6dbbb2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2666670Reviewed-by: Gavin Mak <gavinmak@google.com>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>