Add bypass_warnings flag to Commit Format check
Add bypass_warnings flag to Commit Format check

Right now, if clang-format is broken, a CL will still pass CQ.
This adds a flag so that it will fail CQ.

Bug: 911708
Change-Id: I2c71b7bc434fc611d51f688266be6a265b80f4da
Reviewed-on: https://chromium-review.googlesource.com/c/1361560
Reviewed-by: agrieve <f5a68dd3fb158cd420e05ca279f52a686c662bee@chromium.org>
Commit-Queue: Ryan Tseng <2190fe9a39b4920ec7bd59c848ec5cccd163056f@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools