Roll recipe dependencies (trivial).

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

depot_tools:
  https://crrev.com/ca9a5ebcc400ae48c12a1323294689e313426882 (ehmaldonado@chromium.org)
    Revert "gerrit-util: Fix GCE check from behind proxy."

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

TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Icd4e90ec4da9fa4ba74bad4bb92bd1d40b5b269b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/270762
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 ed4b7d9..e16f1d4 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "9ee86e5a4697d34a90d096e7f40fb25feca76568",
+      "revision": "ca9a5ebcc400ae48c12a1323294689e313426882",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {