Roll Skia from 7e6da45059c5 to 2a12b57fbbf0 (9 revisions) (flutter#174582)

https://skia.googlesource.com/skia.git/+log/7e6da45059c5..2a12b57fbbf0

2025-08-27 mike@reedtribe.org These methods are OK for SkPath
2025-08-27 michaelludwig@google.com [graphite] Clean up
SK_DISABLE_CLIP_DRAW_GEOMETRIC_INTERSECTION flag
2025-08-27 robertphillips@google.com [graphite] Allow
DrawPass::addResourceRefs to fail
2025-08-27 ccameron@chromium.org SkICC: Make ICC_HDR test A2B transform
2025-08-27 syoussefi@google.com [graphite][vulkan] Remove
VK_ACCESS_HOST_WRITE_BIT from src flags
2025-08-27 fmalita@google.com Fix SkUnicode.h implicit conversion
warning
2025-08-27 mike@reedtribe.org Convert (some) tests to use pathbuilder
2025-08-27 mike@reedtribe.org change hairliner to use pathraw
2025-08-27 nicolettep@google.com [graphite] Add workaround for allowing
VK_FORMAT_B8G8R8A8_UNORM to be used with
AHARDWAREBUFFER_FORMAT_B8G8R8A8_UNORM

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 jimgraham@google.com,kjlubick@google.com,nicolettep@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: engine-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': '7e6da45059c5fbe18f28a397397cd4082c4d45f0',
+  'skia_revision': '2a12b57fbbf08791b71fc4115d5b3d0bc53b4916',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.