Roll Skia from 4d1e9cabf0c8 to 9973ef180f1f (2 revisions) (#40843)

Roll Skia from 4d1e9cabf0c8 to 9973ef180f1f (2 revisions)

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ 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': '4d1e9cabf0c8c9d71f5749a2473b2ee5dee692b5',
+  'skia_revision': '9973ef180f1f67a1f2d5cf0cca79625f36a8c348',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.