Roll recipe dependencies (trivial).

This is an automated CL created by the recipe roller. This CL rolls recipe
changes from upstream projects (recipe_engine) into this repository.

recipe_engine:
  https://crrev.com/90eb05b0df05f7840e58ff3c9f3685af0c89a27d (guterman@google.com)
    Add --stop flag to run/train which fails fast

More info is at https://goo.gl/zkKdpD. Use https://goo.gl/noib3a to file a bug.

TBR=joshuaseaton@google.com, olivernewman@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I636c83cce6f7e66aa6cf794598c10cd6c69f312a
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 173baa7..5152c17 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -19,7 +19,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "master",
-      "revision": "a7a70da79ed53f56f5150bb7d1eb577aca51c457",
+      "revision": "90eb05b0df05f7840e58ff3c9f3685af0c89a27d",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py"
     }
   },