Roll Skia from 2f4ad5d83704 to 8ffff8c8e01b (7 revisions) (flutter#172169)

https://skia.googlesource.com/skia.git/+log/2f4ad5d83704..8ffff8c8e01b

2025-07-15 [email protected] Revert "[rust png] Gracefully handle input
stream that shrinks over time."
2025-07-15 [email protected] [rust png] Gracefully handle input
stream that shrinks over time.
2025-07-15 [email protected] Roll Skia
Infra from a18894e3915b to f26a853e1821 (8 revisions)
2025-07-15 [email protected] Roll
SwiftShader from c1f7fbbec4e1 to 65b2c4777e5f (1 revision)
2025-07-15 [email protected] Roll
vulkan-deps from 9c310928b8c1 to 4e8bc564952b (16 revisions)
2025-07-14 [email protected]
Update SKP version
2025-07-14
recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com
Roll recipe dependencies (trivial).

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 [email protected],[email protected],[email protected] 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

Author: engine-flutter-autoroll

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': '2f4ad5d83704e3f6e1aabad944e171c56035c5a2',
+  'skia_revision': '8ffff8c8e01b8d4582fd3b98f799d7eb13932437',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: b935ae6fd12109ecb0880fc26f847840
+Signature: 7cdd5147c24b991fdb8cf87cecc77d26
 
 ====================================================================================================
 LIBRARY: etc1