Roll Skia from a76b083ac4cc to 2f9bb1517740 (1 revision) (flutter/engine#50781)

https://skia.googlesource.com/skia.git/+log/a76b083ac4cc..2f9bb1517740

2024-02-20 sharaks@google.com Update Skia milestone to 124

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,jimgraham@google.com,rmistry@google.com,scroggo@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': 'a76b083ac4ccf09d21ec1b805cc51325818f7ae4',
+  'skia_revision': '2f9bb1517740e6fa175451f96ce5fb781d96df3b',
 
   # 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: 3ce47ca1f1fd495b9a770a29f6d32b6e
+Signature: 01fda2ee21aa3b20021698dd0e455666
 
 ====================================================================================================
 LIBRARY: etc1