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
(or complain)

build:
  https://crrev.com/d2845f7e87aa167cf7df78003b5768f948803d07 Roll recipe dependencies (trivial). (recipe-roller@chromium.org)
depot_tools:
  https://crrev.com/18ca30ca804679ee624a52e73017d234a8c0008f Teach bot_update to remove partially deleted git repos. (vadimsh@chromium.org)

TBR=martiniss@chromium.org,phajdan.jr@chromium.org
BUG=647046

Recipe-Tryjob-Bypass-Reason: Autoroller
Bugdroid-Send-Email: False
Review-Url: https://codereview.chromium.org/2346993002
Cr-Commit-Position: refs/heads/master@{#419016}

infra/config/recipes.cfg

@@ -5,13 +5,13 @@ deps {
   project_id: "build"
   url: "https://chromium.googlesource.com/chromium/tools/build.git"
   branch: "master"
-  revision: "194bd0247efb60371dbcae87731f13dce4fa7934"
+  revision: "d2845f7e87aa167cf7df78003b5768f948803d07"
 }
 deps {
   project_id: "depot_tools"
   url: "https://chromium.googlesource.com/chromium/tools/depot_tools.git"
   branch: "master"
-  revision: "adcd4b78d5f35da535ccf82a221afb9fa389f631"
+  revision: "18ca30ca804679ee624a52e73017d234a8c0008f"
 }
 deps {
   project_id: "recipe_engine"