This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (recipe_engine) into this repository.

recipe_engine:
  https://crrev.com/f41f5b523c58c70c19678c2c8c5868159089bdfc (tandrii@chromium.org)
    buildbucket: support 'self' tag key in api.build.bucket.tags().

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=iannucci@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I24392147e134e1fd006ffd5b632d6b40f9724f30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2182929Reviewed-by: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>