Fix git-crrev-parse to work with both master & main branches
Fix git-crrev-parse to work with both master & main branches

Was finding only "master" commits.

Change-Id: I434a0cb8d2112d6173e638814ad10f401c2fb9b3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3226313
Reviewed-by: Josip Sokcevic <4606aec58cba917397ff2e4738f995e4758694f8@google.com>
Reviewed-by: Dirk Pranke <6693ee08b084bb2ffa767f664c99b689395e0e4b@google.com>
Commit-Queue: Josip Sokcevic <4606aec58cba917397ff2e4738f995e4758694f8@google.com>
Auto-Submit: Andrew Grieve <f5a68dd3fb158cd420e05ca279f52a686c662bee@chromium.org>

CoherentLabs/depot_tools,CoherentLabs/depot_tools