Roll src/third_party/depot_tools 9ca9c52c4c04..4576851428dd (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/9ca9c52c4c04..4576851428dd

git log 9ca9c52c4c04..4576851428dd --date=short --first-parent --format='%ad %ae %s'
2020-03-02 ehmaldonado@google.com git-cl: Remove support for GetPreferredTryMasters.

Created with:
  gclient setdep -r src/third_party/depot_tools@4576851428dd

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

Bug: chromium:1042324
Tbr: agable@chromium.org
Change-Id: I6d45104d7d63fe5d03e8ea55900422e69be58f20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2083624Reviewed-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@{#746088}

DEPS

@@ -877,7 +877,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '9ca9c52c4c04eee136f37bab1404ae0c2319bf06',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '4576851428ddafb6b996765adcbd4e5918145e6d',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),