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/ab4c628b8432cb3d3dbcee32a539f486115a329b Retry errors during fetch (phajdan.jr@chromium.org)

R=phajdan.jr@chromium.org
BUG=chromium:618127

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

Review-Url: https://codereview.chromium.org/2135563002