Roll Depot Tools from d48aa437c9e8 to b34cd6d8fa4d (2 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d48aa437c9e8..b34cd6d8fa4d

2021-01-07 ehmaldonado@chromium.org Revert "[owners] Refactor OwnersClient."
2021-01-07 ehmaldonado@chromium.org Revert "presubmit: Don't print comments for missing reviewers."

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 ehmaldonado@google.com,sokcevic@google.com,ajp@google.com,apolito@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:1163731
Tbr: ehmaldonado@google.com,sokcevic@google.com,ajp@google.com,apolito@google.com
Change-Id: I71197fb9fcbbb077f560cf893fa02305fd0f3b34
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2612572Reviewed-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@{#840887}

DEPS

@@ -893,7 +893,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'd48aa437c9e843e9d2486cdcdc9d7ba812deea40',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'b34cd6d8fa4df214f77c8141d2113281e57790cc',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),