Roll src/third_party/depot_tools 9dabaedfa33c..556c0a2e0f48 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/9dabaedfa33c..556c0a2e0f48

git log 9dabaedfa33c..556c0a2e0f48 --date=short --no-merges --format='%ad %ae %s'
2019-11-23 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r src/third_party/depot_tools@556c0a2e0f48

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: None
Tbr: agable@chromium.org
Change-Id: Ic4e31ae399af15a7974bbb12e3065d9c2ec86ef7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1931740Reviewed-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@{#718383}

DEPS

@@ -887,7 +887,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '9dabaedfa33ccb59e09cbcf3541b92f283d24c0c',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '556c0a2e0f48bf57fea351ef83685433600f8a16',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),