Roll Depot Tools from d3affaa62488 to 8f6bfe301f30 (3 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d3affaa62488..8f6bfe301f30

2020-05-20 sokcevic@google.com Revert "Use OS level locking in git_cache.py"
2020-05-20 isherman@chromium.org Fix `git cl format` for metrics XML files on Windows
2020-05-20 isherman@chromium.org Add git cl format support for "structured" metrics

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/+doc/master/autoroll/README.md

Bug: chromium:1049610
Tbr: agable@chromium.org
Change-Id: Ib60930a32b43c9bf6475a76243b5b0f674e41469
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2211028Reviewed-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@{#770897}

DEPS

@@ -871,7 +871,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'd3affaa62488e0d67e04f810f1c2f2f40793e06b',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '8f6bfe301f308c25a95ce5032f521decefa0a01b',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),