Revert "Roll Depot Tools from 3b055d329e60 to 8bbab2d87493 (1 revision)"

This reverts commit 76bc29ba.

Reason for revert: the rolled CL was problematic and was reverted.
https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2576761

Original change's description:
> Roll Depot Tools from 3b055d329e60 to 8bbab2d87493 (1 revision)
>
> https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/3b055d329e60..8bbab2d87493
>
> 2020-12-08 nodir@chromium.org [dirmd] Roll dirmd
>
> 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:1154541
> Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
> Change-Id: I7708e6eed2fb6dbb672aca41e0f684536c27ac43
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2577728
> Reviewed-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@{#834492}

TBR=ehmaldonado@chromium.org,chromium-autoroll@skia-public.iam.gserviceaccount.com,ajp@chromium.org,chromium-scoped@luci-project-accounts.iam.gserviceaccount.com,apolito@google.com,sokcevic@google.com

Change-Id: Ic37722200d7c22be014a4f2d9d7707c8e9953d90
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromium:1154541
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2577763Reviewed-by: Nodir Turakulov <nodir@chromium.org>
Commit-Queue: Nodir Turakulov <nodir@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834496}

DEPS

@@ -918,7 +918,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '8bbab2d874932471310ecfc6495a9009a0ceb991',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '3b055d329e60963cb8a7de7b4baec2202fe3eb60',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),