Roll src/third_party/depot_tools 76c2e50d3bb9..ad557c41da7c (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/76c2e50d3bb9..ad557c41da7c

git log 76c2e50d3bb9..ad557c41da7c --date=short --no-merges --format='%ad %ae %s'
2019-10-24 tikuta@chromium.org presubmit: deprecate vpython_spec_path

Created with:
  gclient setdep -r src/third_party/depot_tools@ad557c41da7c

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/depot-tools-chromium-autoroll
Please CC agable@chromium.org on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

TBR=agable@chromium.org

Bug: chromium:1002153
Change-Id: I274a2127848ca8b4077851e1e4f76f4b68e64197
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1877857Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#708957}

DEPS

@@ -899,7 +899,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '76c2e50d3bb9198e4e8c024ff0b46616ec1b9a9f',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'ad557c41da7ce606ef3c26cf9ab465f9e4c81456',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),