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.
depot_tools:
  https://crrev.com/cc11b065c54bae31b125f8ee0431cf9a08b1fe4f Revert "[bot_update] Also bootstrap in the case that there are 0 pack files" (ehmaldonado@chromium.org)
  https://crrev.com/9212599f6aacbdbecd378814e63e236660ab42aa [recipes] replace the variable ${platform} with resolved-platform in test output (yiwzhang@google.com)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I36fddbd3b9a434fa522b31cafc882d0bc4ebbb15
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/258048
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>

Author: recipe-roller

infra/config/recipes.cfg

@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "32a801b5dadfd40ef7999339559413408555ebdc",
+      "revision": "9212599f6aacbdbecd378814e63e236660ab42aa",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {