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/91de11099dcd8c37e308992ccfe26dd14cee5f64 autoninja: fix shellcheck warnings (yyanagisawa@chromium.org)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I8d2c85a025372f4b560f53ef363afd1bfbf5e265
Reviewed-on: https://skia-review.googlesource.com/c/171012
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 1718d72..754fe19 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "43a35d299bbc044957eea5f82eae5a2f189a2b3c",
+      "revision": "91de11099dcd8c37e308992ccfe26dd14cee5f64",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {