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
(or complain)

recipe_engine:
  https://crrev.com/8c9b063a8304554e36dd2f9dd495085635223a6b recipe engine: handle EAGAIN on read() in subprocess42.py (phajdan.jr@chromium.org)

R=phajdan.jr@chromium.org
BUG=610041,522396

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

Review-Url: https://codereview.chromium.org/1963603002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@300497 0039d316-1c4b-4281-b951-d872f2087c98

infra/config/recipes.cfg

@@ -5,5 +5,5 @@ deps {
   project_id: "recipe_engine"
   url: "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
   branch: "master"
-  revision: "c4983774444a86eab0eef16173345ccde1eb32c1"
+  revision: "8c9b063a8304554e36dd2f9dd495085635223a6b"
 }