Roll Skia from 4281f51749b2 to a86861d21ae1 (23 revisions) (#51998)

https://skia.googlesource.com/skia.git/+log/4281f51749b2..a86861d21ae1

2024-04-09 brianosman@google.com Revert "Migrate SkParagraph's tests etc to provide SkUnicode"
2024-04-09 jvanverth@google.com [graphite] Fix linear filter inset variable names.
2024-04-09 robertphillips@google.com [graphite] Explicitly hold SkBlendModes in PaintOptions
2024-04-09 olv@google.com Add VkComponentMapping to VulkanYcbcrConversionInfo
2024-04-09 kjlubick@google.com Add one more case for SkColorType switch
2024-04-09 jvanverth@google.com [graphite] Add linear filter inset for YUV.
2024-04-09 robertphillips@google.com [graphite] Fix up PaintOptions::toKey
2024-04-09 kjlubick@google.com Migrate SkParagraph's tests etc to provide SkUnicode
2024-04-09 senorblanco@chromium.org Revert "Reland "Graphite/Dawn: Eliminate Device::Tick() usages.""
2024-04-09 kjlubick@google.com Add ganesh_metal target
2024-04-09 bungeman@google.com [colrv1] Keep glyphs on test canvas
2024-04-09 kjlubick@google.com Minor clang-tidy suggestions
2024-04-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 8072102bca4a to 57a0fe0778df (1 revision)
2024-04-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll SK Tool from e6b3a4e3da47 to b09312b32b9c
2024-04-09 skia-autoroll@skia-public.iam.gserviceaccount.com Roll Skia Infra from fd9ef76964cc to e6b3a4e3da47 (10 revisions)
2024-04-09 michaelludwig@google.com [graphite] Consolidate Device/Surface factory functions
2024-04-08 johnstiles@google.com Fix minor bugs in the SkSL PrettyPrint algorithm.
2024-04-08 aaclarke@google.com Adds support for BGRA10_XR.
2024-04-08 brianosman@google.com Remove old (unused) skia_launcher
2024-04-08 jvanverth@google.com [graphite] Fix subsetting for UV planes.
2024-04-08 johnstiles@google.com Remove GLSL/Metal/WGSL indentation in release mode.
2024-04-08 kjlubick@google.com Enforce IWYU on src/gpu/tesselate
2024-04-08 kjlubick@google.com Fix shaping in GN builds

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
diff --git a/DEPS b/DEPS
index 8752646..2ffbd0e 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@
   'flutter_git': 'https://flutter.googlesource.com',
   'skia_git': 'https://skia.googlesource.com',
   'llvm_git': 'https://llvm.googlesource.com',
-  'skia_revision': '4281f51749b22d28611c2a5503f811522a03ce80',
+  'skia_revision': 'a86861d21ae18afd92d22bdb8fc43356c6f0583b',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.
diff --git a/ci/licenses_golden/licenses_skia b/ci/licenses_golden/licenses_skia
index d87fe41..4b59b33 100644
--- a/ci/licenses_golden/licenses_skia
+++ b/ci/licenses_golden/licenses_skia
@@ -1,4 +1,4 @@
-Signature: b97abe04f4697ac3f966c942743154e8
+Signature: 6de24bfc7342baca3cb3933674d41ec2
 
 ====================================================================================================
 LIBRARY: etc1
diff --git a/sky/packages/sky_engine/LICENSE b/sky/packages/sky_engine/LICENSE
index cd37bab..7f5e16b 100644
--- a/sky/packages/sky_engine/LICENSE
+++ b/sky/packages/sky_engine/LICENSE
@@ -32032,7 +32032,7 @@
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/28b5735ad7dce6585419d26fe147dc406097b93c
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/78174b41ab0f4bbcb044c07d33bc4e4a409cb83c
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------