Roll Skia from d1c5490ca749 to 9c42f62925a7 (1 revision) (#164965)

https://skia.googlesource.com/skia.git/+log/d1c5490ca749..9c42f62925a7

2025-03-11 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Dawn
from a04b51ef7139 to 06dd9ef55ce2 (18 revisions)

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
chinmaygarde@google.com,danieldilan@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

DEPS

@@ -14,7 +14,7 @@ vars = {
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': 'd1c5490ca749e79171704d35f4c6ff8c829eab69',
+  'skia_revision': '9c42f62925a75e2fd920bb725da6f19c3cd2f621',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.