I believe this is needed for master->main migration and should no
longer needed.
Change-Id: I75ef8d5bfcf76a862c95c227d6bc9616176c1df1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5540888
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Yiwei Zhang <yiwzhang@google.com>