Roll Skia from cd47aa5d8d15 to 28579a88aa9c (1 revision) (flutter#52045)

https://skia.googlesource.com/skia.git/+log/cd47aa5d8d15..28579a88aa9c

2024-04-11 michaelludwig@google.com Revert "[graphite] Start with kDiscard load op in DrawContext; use clear op for floating-point textures"

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,chinmaygarde@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

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': 'cd47aa5d8d15147a8178cd8955d11d523935ced3',
+  'skia_revision': '28579a88aa9c12ef23c1d3ab798aba40f85ea0d8',
 
   # 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: fe823f39025ca91c909c1861f76617e3
+Signature: a9f37f729db5b2ddc7c5bc1dc1e7ac02
 
 ====================================================================================================
 LIBRARY: etc1