Roll Skia from 57ae89c0ffae to a6ac2f8e82b4 (1 revision)

https://skia.googlesource.com/skia.git/+log/57ae89c0ffae..a6ac2f8e82b4

2024-07-16 johnstiles@google.com Mark unsupported subpass-input types as reserved.

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,nicolettep@google.com,rmistry@google.com,zra@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': '57ae89c0ffae0626ac7b661941b42171ebba3c98',
+  'skia_revision': 'a6ac2f8e82b40b8f230231ce038a715533e14853',
 
   # 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: c9c0c54d894bddc1ef3f5dd50f6790cb
+Signature: 7887cfce37f40104895239798b7e86e3
 
 ====================================================================================================
 LIBRARY: etc1