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://chromium.googlesource.com/infra/luci/recipes-py.git/+/e1b01f51655b20cc996a1484de0927bb0cbe6dc0
  e1b01f5 (yiwzhang@google.com)
      Revert "[luci_context] Move writing of LUCI_CONTEXT files to th...

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

TBR=seanabraham@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I24e8c10157beb95f36944da4224f3e58eb0b4b5d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2451693
Reviewed-by: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Recipe Roller <recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 2860175..ac99311 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,12 +16,12 @@
   "deps": {
     "chromiumos_config": {
       "branch": "refs/heads/master",
-      "revision": "9751eb31837987df7f388302d34c369ad18f5211",
+      "revision": "4e6c333892a6a4505f4aa51eea0c5b1bdadd15e8",
       "url": "https://chromium.googlesource.com/chromiumos/config.git"
     },
     "recipe_engine": {
       "branch": "refs/heads/master",
-      "revision": "39689a397b274d40abb2181b64d3beca42ca98f2",
+      "revision": "e1b01f51655b20cc996a1484de0927bb0cbe6dc0",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },