Roll Skia from 480540178356 to 244a6a0f8f92 (6 revisions) (#191753)

https://skia.googlesource.com/skia.git/+log/480540178356..244a6a0f8f92

2026-08-25
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2026-08-25
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).
2026-08-25 skia-autoroll@skia-public.iam.gserviceaccount.com Manual roll
Dawn from c169e62117d8 to 0bdfde145703 (9 revisions)
2026-08-25 fmalita@google.com [svgdevice] Add missing baseRecorder()
override
2026-08-25 thomsmit@google.com [graphite] Add OracleValidator and
SkpValidator
2026-08-25 robertphillips@google.com SKPBench - isolate each SKP timing
from all the others

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC fmalita@google.com,jsimmons@google.com,kjlubick@google.com on
the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter:
https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md