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
(or complain)

recipe_engine:
  https://crrev.com/614e66740642550cba38bc78a2776866dae66ea6 Use subprocess42 in recipe_engine to avoid threading madness. (iannucci@chromium.org)

R=estaab@chromium.org,iannucci@chromium.org,maruel@chromium.org,martiniss@chromium.org,tansell@chromium.org
BUG=522396

TBR=martiniss@chromium.org,phajdan.jr@chromium.org

Review-Url: https://codereview.chromium.org/1960713002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@300472 0039d316-1c4b-4281-b951-d872f2087c98