Roll src/third_party/depot_tools 0ab6a9f6e41a..5504dc6427fb (2 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/0ab6a9f6e41a..5504dc6427fb

git log 0ab6a9f6e41a..5504dc6427fb --date=short --first-parent --format='%ad %ae %s'
2019-11-25 ehmaldonado@chromium.org depot_tools: Add ehmaldonado@google.com to OWNERS.
2019-11-25 ehmaldonado@chromium.org depot_tools: Run roll_dep tests on Python 3.

Created with:
  gclient setdep -r src/third_party/depot_tools@5504dc6427fb

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:1009816
Tbr: agable@chromium.org
Change-Id: I02a114e3f6c1f3530703b573bdb5ed0e7ee2b402
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1934262Reviewed-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@{#718870}

DEPS

@@ -887,7 +887,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '0ab6a9f6e41ac3e51f5a74325507a4cc5054cacb',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '5504dc6427fbb01b66c0cd4f2eff17928b7151b2',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),