Roll DevTools Frontend from d7b94d61efca to 3a5f4f619054 (2 revisions)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/d7b94d61efca..3a5f4f619054

2020-12-14 annabelzhou@google.com Add experiment flag for full accessibility tree
2020-12-14 andoli@chromium.org Fixes unshown images larger than 1MB  in ImageView

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:887173
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Idb228c5dd1731a7be293e8d9958cb7d83b00b5d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2591459Reviewed-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@{#836939}

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': 'd7b94d61efca6588cd8b7cb2058acf7e1ebd1812',
+  'devtools_frontend_revision': '3a5f4f61905446bb9f0af4dd81bff3c4ad046568',
   # 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.