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/4ada8ab49f7be58223ff8926828b0ae6541b2437 (sdefresne@chromium.org)
    [roll] Fix the command in the commit message

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: I0aa2039d45070395e91156099ca7b896227ec488
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268110
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>

infra/config/recipes.cfg

@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "ae2b962ce583ad38c7b2b105b6dd5ea55d576056",
+      "revision": "4ada8ab49f7be58223ff8926828b0ae6541b2437",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {