Roll Skia from 9edafde22cb3 to ced941fdddc4 (2 revisions) (flutter/engine#53769)

https://skia.googlesource.com/skia.git/+log/9edafde22cb3..ced941fdddc4

2024-07-08 kjlubick@google.com Remove exports_files_legacy
2024-07-08 johnstiles@google.com Use powr(x, y) in Metal instead of pow(x, y).

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 aaclarke@google.com,brianosman@google.com,fmalita@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

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': '9edafde22cb33b0974727a7d62aeacaff81e4285',
+  'skia_revision': 'ced941fdddc419a460ea1a3d489bd107484af9b0',
 
   # 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: 53ce944c3bbf1a9eca2f6cce5597795f
+Signature: 2d58c12df54424042662eefea5082e79
 
 ====================================================================================================
 LIBRARY: etc1