Roll Skia from f9dfb0308594 to 8ad03dfe4e2e (2 revisions) (flutter/engine#51915)

https://skia.googlesource.com/skia.git/+log/f9dfb0308594..8ad03dfe4e2e

2024-04-04 kjlubick@google.com Minor fixes to skottielib app
2024-04-04 davidben@google.com Use sk_careful_memcpy in SkMemoryStream

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 brianosman@google.com,kjlubick@google.com,matanl@google.com,rmistry@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': 'f9dfb0308594eda2bf2d199a896c7a48a9d50976',
+  'skia_revision': '8ad03dfe4e2eea42ddded1df0d38613b329a2095',
 
   # 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: fc6a66f07529b0b7743092d20d967a8e
+Signature: 4aa894ae4db6d6134ec8ef3339ce95a8
 
 ====================================================================================================
 LIBRARY: etc1