Roll Skia from 1064eeedac09 to 31fae9f0cdd1 (1 revision) (#49869)

https://skia.googlesource.com/skia.git/+log/1064eeedac09..31fae9f0cdd1

2024-01-18 michaelludwig@google.com [graphite] Use SIMD half conversion in UniformManager

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,jlavrova@google.com,jonahwilliams@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

@@ -17,7 +17,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '1064eeedac09456c19f27820eee9e18f10bbfab6',
+  'skia_revision': '31fae9f0cdd17e08274b6a16dfa5c188c9511347',
 
   # 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: 7c54bf9e3f920d7fef502a4bd0975815
+Signature: da8cf0af2c55d2eae2d804b20a103f19
 
 ====================================================================================================
 LIBRARY: etc1