Roll recipe dependencies (trivial).
Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (e.g. depot_tools) into downstream projects
(e.g. tools/build).


More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.
depot_tools:
  https://crrev.com/96e1d788304830a9e405925d3c0a38953502558c gclient flatten: add support for hooks_os (phajdan.jr@chromium.org)
  https://crrev.com/aee6c8527222f719c55eb9d3e1dcdd6bcd808e95 git-cl-issue: respect --gerrit/--rietveld with integer argument (agable@chromium.org)
recipe_engine:
  https://crrev.com/097a0dbe9f6b8eae39e690de848aea5c3d8ea38b [test] minor refactoring. (iannucci@chromium.org)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I6e5c71d3652b0fe90de2b396f40393c3baa7e044
Reviewed-on: https://skia-review.googlesource.com/20974
Reviewed-by: Recipe Roller <f7b0ce08abcea7ea5e8f23d002ee70a59862261f@chromium.org>
Commit-Queue: Recipe Roller <f7b0ce08abcea7ea5e8f23d002ee70a59862261f@chromium.org>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot