Roll DevTools Frontend from 786a9e746bcb to 18a45a67b21a (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/786a9e746bcb..18a45a67b21a

2021-01-14 vidorteg@microsoft.com [Loc] Migrate screencast panel to Localization V2
2021-01-14 morlovich@chromium.org Emulation UA-ch editing: make help button tabable

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:1136655,chromium:1164345
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ib711d3bb84893e559a188619111099abea3c7dd3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2630108Reviewed-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@{#843759}

DEPS

@@ -274,7 +274,7 @@ 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': '786a9e746bcbf15917385c2ba621b5bf8a6090a8',
+  'devtools_frontend_revision': '18a45a67b21a0695c1c064727bf49ea348626bff',
   # 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.