Revert "Roll DevTools Frontend from b904628c78ab to 5166fad523bf (2 revisions)"

This reverts commit 22c049c9.

Reason for revert: crbug.com/1184695

Original change's description:
> Roll DevTools Frontend from b904628c78ab to 5166fad523bf (2 revisions)
>
> https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/b904628c78ab..5166fad523bf
>
> 2021-03-04 petermarshall@chromium.org [l10n] Fix a typo in a plural UIStrings message
> 2021-03-04 petermarshall@chromium.org [l10n] Use ICU plurals where possible
>
> 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: chromium:1163928
> Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
> Change-Id: Ia4be106f8ea155ce861762ec266324c6e580e5ca
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2734576
> 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@{#859735}

Bug: chromium:1163928, chromium:1184695
Change-Id: I75616152ff9febaf8a7ca94ac25ef87350883273
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2736234
Auto-Submit: François Doray <fdoray@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#859769}