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/eebc3d823220a0c3124e96ad4d577d32bbbeab6e [cipd] Check CIPD client hash against pinned SHA256 during updates. (vadimsh@chromium.org)
  https://crrev.com/e94deafd142f84d8745c1d7226532cec703c5349 bot_update: pull revisions from provided cfg if present. (jbudorick@chromium.org)


TBR=borenet@google.com

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Change-Id: I7782e44244c627c418be543d5b3ab87604975904
Reviewed-on: https://skia-review.googlesource.com/147116
Commit-Queue: Recipe Roller <recipe-roller@chromium.org>
Reviewed-by: Recipe Roller <recipe-roller@chromium.org>

infra/config/recipes.cfg

@@ -14,7 +14,7 @@
   "deps": {
     "depot_tools": {
       "branch": "master",
-      "revision": "1164342495fd090910f7549b4299b723a6a98cda",
+      "revision": "e94deafd142f84d8745c1d7226532cec703c5349",
       "url": "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
     },
     "recipe_engine": {