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.
recipe_engine:
  https://crrev.com/b5078f1d18d40c1e8e073ca0e17c6ac382ddcb57 [test] Don't print coverage version by default. (dnj@google.com)


TBR=iannucci@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I050d1692bf3ade52b35d91e94f060bacc0ffa7b8
Reviewed-on: https://chromium-review.googlesource.com/505533
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>

infra/config/recipes.cfg

@@ -15,7 +15,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "master",
-      "revision": "9be63aeb7800439b172aaf2d77a156ff5d523947",
+      "revision": "b5078f1d18d40c1e8e073ca0e17c6ac382ddcb57",
       "url": "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
     }
   },