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/+/ff32fd7f9aa8328eb61ee5083611f9fb1112958a
  ff32fd7 (yiwzhang@google.com)
      Reland "[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=smcallis@chromium.org

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I1d94c6c0aab8e40b9d603abad2bc406d56e7785d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/config/+/2454909
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 ab3fe02..a421149 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -15,7 +15,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "refs/heads/master",
-      "revision": "25bc9f8d30d5d0599e7f16e805ecf84da334d0be",
+      "revision": "ff32fd7f9aa8328eb61ee5083611f9fb1112958a",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },