Roll src/third_party/depot_tools 0081c0ff173c..286fb1607d36 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/0081c0ff173c..286fb1607d36

git log 0081c0ff173c..286fb1607d36 --date=short --no-merges --format='%ad %ae %s'
2019-09-30 vapier@chromium.org gclient: have git operations specify the git dir by default

Created with:
  gclient setdep -r src/third_party/depot_tools@286fb1607d36

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:1000825
Change-Id: I61cdc381b5050050050a366060309db85caf7d80
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1831480Reviewed-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@{#701032}

DEPS

@@ -887,7 +887,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '0081c0ff173c3af29933cbc6965d4a2d83b09576',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '286fb1607d361660ec836f43fdfb1eb27e67b594',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),