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/179dd1e01695137c08ac1ccc49e3b909bb5f75e0 input_api.DEFAULT_BLACK_LIST should not block third_party/blink. (tkent@chromium.org)
recipe_engine:
  https://crrev.com/8bb8a8eddc83b7110083f1fef2aaafaf7bd25d90 Handle long paths on Windows part 2 (martiniss@google.com)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: Id21781592e46ea2e1d1e286527344b2531cc16b8
Reviewed-on: https://skia-review.googlesource.com/124342
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>

infra/config/recipes.cfg

@@ -14,12 +14,12 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "97ce05851cb5559459058706a69e81ddaed54f1e",
+      "revision": "b538cb66546f4dc4531e67c9ac3892e887918c12",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {
       "branch": "master",
-      "revision": "c93ee0e7a9941356e1a7489af1abc2dca43f2c97",
+      "revision": "8bb8a8eddc83b7110083f1fef2aaafaf7bd25d90",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },