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/b9ae2ca9a55d9b754c313f4c9e9f0f3b804a5e44 Fix get_toolchain_if_necessary.py --nodownload message formatting. (thestig@chromium.org)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Ia6776aac3493dbfdefed44e169975086b3e3a42a
Reviewed-on: https://skia-review.googlesource.com/c/190380
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>

infra/config/recipes.cfg

@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "6062b34785a012f86d052602ebab406c5c8289f5",
+      "revision": "b9ae2ca9a55d9b754c313f4c9e9f0f3b804a5e44",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {