Roll Depot Tools from 8c43c3f51384 to 3253a1deca58 (3 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/8c43c3f51384..3253a1deca58

2021-01-20 tikuta@chromium.org autoninja: roll back to python from python3
2021-01-20 ehmaldonado@chromium.org Revert "Reland "presubmit: Use new API to check for owners approval""
2021-01-20 msavigny@google.com Add reproxy setup/teardown to autoninja.

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 ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com 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:1149386
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: I9eb34a1a706ff41bfd6a6a8636587b832f980b38
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2639793Reviewed-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@{#845091}

DEPS

@@ -897,7 +897,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '8c43c3f5138440b28ff4cfe0a27ea413cb1733b9',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '3253a1deca587cc8dd5d83d790cea8f9654e2c33',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),