Roll Skia from 35ad4e89212f to 21035cd95b68 (1 revision) (flutter/engine#56176)

https://skia.googlesource.com/skia.git/+log/35ad4e89212f..21035cd95b68

2024-10-28 tikuta@google.com base: include minimum header for x86 SIMD

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,codefu@google.com,jamesgk@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': '35ad4e89212faa2e661bb079a7a3380a813cf345',
+  'skia_revision': '21035cd95b6864bf86bc6814b45b193e7c3760c4',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 07c08874f473ba7770f032e67b913866
+Signature: 738071472195442bc33ad68db7d5b7b4
 
 ====================================================================================================
 LIBRARY: etc1