Roll src/third_party/depot_tools 48823c28549d..c87ed60623e4 (8 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/48823c28549d..c87ed60623e4

git log 48823c28549d..c87ed60623e4 --date=short --no-merges --format='%ad %ae %s'
2019-10-30 ehmaldonado@chromium.org git-cl: Fix some python3 compatibility errors.
2019-10-30 ehmaldonado@chromium.org presubmit_support: Fix tests on Python 3.
2019-10-30 ehmaldonado@chromium.org depot_tools: Make owners tests run on Python 3
2019-10-30 ehmaldonado@chromium.org git-rebase-update: Make tests run on Python 3.
2019-10-30 ehmaldonado@chromium.org gerrit_util: Remove RemoveReviewers.
2019-10-30 ehmaldonado@chromium.org depot_tools: Don't use basestring in scm.CaptureStatus.
2019-10-30 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-10-30 hypan@google.com Revert "Fetch the input commit ref when both ref and id are specified."

Created with:
  gclient setdep -r src/third_party/depot_tools@c87ed60623e4

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

TBR=agable@chromium.org

Bug: chromium:1002209,chromium:1009814,chromium:1009814,chromium:1009809,chromium:1002209,chromium:1002209,chromium:922150
Change-Id: I4a5b8c4ab8e24c62d6d2e071fe3c504a299d8a90
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1891780Reviewed-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@{#711071}

DEPS

@@ -896,7 +896,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '48823c28549dd8055e16e4046215b929cd1eaeec',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'c87ed60623e4f057620552a9dc754c9c9f1e02e7',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),