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/a4dec94a1aa32ca213e43c0a5d58d6d073e0d1b2 Add download_archive to gitiles module. ([email protected])


[email protected]

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I4beeed93ba132ea084dec4fcd7162ad2a13139af
Reviewed-on: https://skia-review.googlesource.com/138593
Reviewed-by: Recipe Roller <[email protected]>
Commit-Queue: Recipe Roller <[email protected]>

Author: recipe-roller

infra/config/recipes.cfg

@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "01489553a0ae19cbf91582669ccef3402364782c",
+      "revision": "a4dec94a1aa32ca213e43c0a5d58d6d073e0d1b2",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {