Roll Skia from 51ac9d93850c to 249d3f07c4d5 (2 revisions)

https://skia.googlesource.com/skia.git/+log/51ac9d93850c..249d3f07c4d5

2024-08-21 brianosman@google.com Remove SkSL program size limit
2024-08-21 nscobie@google.com [graphite] Update createGraphicsPipeline trace slice to _ALWAYS variant

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,robertphillips@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

Author: skia-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': '51ac9d93850cab17dfca651d6f367476de58b9af',
+  'skia_revision': '249d3f07c4d53ea856336acc322fa4cb463f4d3f',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 4b598a650b660ac1b9a96f50a3bd0d79
+Signature: 7698c4e04e85eb6fa6926b8c3ed159c7
 
 ====================================================================================================
 LIBRARY: etc1