Roll Depot Tools from 484196b73916 to 444733610032 (3 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/484196b73916..444733610032

2020-11-18 linxinan@chromium.org Improve the setup logic for tryserver
2020-11-18 ehmaldonado@google.com [owners] Add tests for Depot Tools owners client.
2020-11-18 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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 sokcevic@google.com,ajp@google.com,apolito@google.com,ehmaldonado@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:1146487
Tbr: sokcevic@google.com,ajp@google.com,apolito@google.com,ehmaldonado@google.com
Change-Id: I002a111db4b38183ede211a5c475ecdfc854ff29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2548344Reviewed-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@{#828989}

DEPS

@@ -907,7 +907,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '484196b739168386485a281071fb3c7cd0cafa5f',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '4447336100328230102b0c90625f44c00c9c5a8c',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),