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/84b34416f3e1b1582cf81ab7ffea34f1e84b1c95 [package.py] No trailing whitespace in json proto dump. (iannucci@chromium.org)

TBR=iannucci@chromium.org

Change-Id: I6a5e0eb4254d730092df6d02271a32e3fb078e3d
Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Reviewed-on: https://chromium-review.googlesource.com/458880
Reviewed-by: <recipe-roller@chromium.org>
Commit-Queue: <recipe-roller@chromium.org>

infra/config/recipes.cfg

 {
-  "api_version": 1, 
+  "api_version": 1,
   "deps": [
     {
-      "branch": "master", 
-      "project_id": "recipe_engine", 
-      "revision": "4439877a3ea1acd4c3f4cf805fba138aeb5b16a5", 
+      "branch": "master",
+      "project_id": "recipe_engine",
+      "revision": "84b34416f3e1b1582cf81ab7ffea34f1e84b1c95",
       "url": "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
     }
-  ], 
-  "project_id": "depot_tools", 
+  ],
+  "project_id": "depot_tools",
   "recipes_path": "recipes"
 }
\ No newline at end of file