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

The build that created this CL was
https://ci.chromium.org/b/8831173927757465921

recipe_engine:
https://chromium.googlesource.com/infra/luci/recipes-py.git/+/7afe8b15f5f2add4e88de352f84cacce9904e576
  7afe8b1 (tikuta@chromium.org)
      swarming: do not allow changing server/version via properties

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

R=iannucci@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ic0171ca0fd76c559e30fe141bf908329ef12178b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/3267545
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>