Roll Depot Tools from d3acb16 to 6b022d1 (1 revision)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d3acb16c9ca9..6b022d1efb15

2021-05-04 yuanjunh@google.com [cipd] Roll led to @c7e0fe5a

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 ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@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:1138533
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: Ie760107f34771695f5b84bfe43a0260220924834
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2873605
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#879182}

DEPS

@@ -966,7 +966,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'd3acb16c9ca92bbce72d0d0de2e84297ed8ea776',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '6b022d1efb1559ab795a1c91014a2a6fb7efba88',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),