Roll recipe dependencies (trivial).

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

  6ec7cd8 (
      Add CMDsubmitchange to gerrit_client

  5b4948d (
      presubmit: do not execute run_test in parallel

More info is at Use to file a bug.

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I8444278b63809bdfe54e64fcd527043473c03369
Commit-Queue: Recipe Roller <>
Bot-Commit: Recipe Roller <>
2 files changed