Roll Depot Tools from 8f6bfe301f30 to 14a83aec5603 (1 revision)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/8f6bfe301f30..14a83aec5603

2020-05-21 sokcevic@google.com Reland "Use OS level locking in git_cache.py"

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: I1ec79a5e7fd9ff0ab11c19fc53166befff435041
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2210066Reviewed-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@{#770909}

DEPS

@@ -871,7 +871,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '8f6bfe301f308c25a95ce5032f521decefa0a01b',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '14a83aec5603e47208a4a41c8c085a1991d33d47',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),