Revert "Roll DevTools Frontend from 5a8fc1fe06a2 to 01f7fadf76bf (3 revisions)"

This reverts commit 71256e1f.

Reason for revert: Either this or the next devtools roll (already reverted) are suspected in closing tree crbug 1121242

Original change's description:
> Roll DevTools Frontend from 5a8fc1fe06a2 to 01f7fadf76bf (3 revisions)
> 
> https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/5a8fc1fe06a2..01f7fadf76bf
> 
> 2020-08-24 hablich@chromium.org [Docs] Fix link to workflow.md
> 2020-08-24 nsatragno@chromium.org Flip webauthnPane experiment flag
> 2020-08-24 alexrudenko@chromium.org Partially revert: [Perfmon] Improve contrast of labels in dark theme
> 
> If this roll has caused a breakage, revert this CL and stop the roller
> using the controls here:
> https://autoroll.skia.org/r/devtools-frontend-chromium
> Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.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: None
> Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
> Change-Id: I3de852373f7bc1b728fa28cdc53965ad9d15fd73
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2372006
> 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@{#800966}

TBR=chromium-autoroll@skia-public.iam.gserviceaccount.com,devtools-waterfall-sheriff-onduty@grotations.appspotmail.com

Change-Id: Iefb5604454d6a9ccb1b832535a708cdc680510dd
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1121242
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2372892Reviewed-by: Matthew Wolenetz <wolenetz@chromium.org>
Commit-Queue: Matthew Wolenetz <wolenetz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801033}

DEPS

@@ -266,7 +266,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': '01f7fadf76bf56f4e9a36003c17b01124bdbd2f5',
+  'devtools_frontend_revision': '5a8fc1fe06a281f2ece82031d9e91281a71c9805',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.