Roll Skia from 52613fcc0780 to 9e4f5cc3aeb4 (1 revision) (flutter#43659)

https://skia.googlesource.com/skia.git/+log/52613fcc0780..9e4f5cc3aeb4

2023-07-13 johnstiles@google.com Fix WGSL codegen for compound assignment with swizzles.

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,kjlubick@google.com,rmistry@google.com,zra@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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

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': '52613fcc0780a8f9478fb50f7c8629cd0b48930d',
+  'skia_revision': '9e4f5cc3aeb485fe4b656962f6490f21682d8ede',
 
   # 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: cc39f05a3ca19757f1e5a0fbb07cbaf2
+Signature: e83929b0e618966969fcd625c0f8b7d8
 
 ====================================================================================================
 LIBRARY: etc1