Roll Skia from 532c04c00ad7 to 60242c4ea6a7 (5 revisions) (#39340)

https://skia.googlesource.com/skia.git/+log/532c04c00ad7..60242c4ea6a7

2023-02-02 [email protected] SkGainmapShader const SkImages
2023-02-02 [email protected] Add RP builder support for pushing dst color.
2023-02-02 [email protected] Eliminate SampleUsage::constructor.
2023-02-02 [email protected] Add SK_CODEC_DECODES_JPEG guards
2023-02-02 [email protected] Append child effects in the SkRuntimeEffect RP builder.

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 [email protected],[email protected],[email protected],[email protected] 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': '532c04c00ad776c29cf888ace92c175663bbe0ac',
+  'skia_revision': '60242c4ea6a721c8c3a6f7c4ec27bee2892e06e1',
 
   # 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: 3ba0b28c08b3d13e27ffd22f1e2d1a51
+Signature: 91029f9b59e2a93ff61f923313be349c
 
 ====================================================================================================
 LIBRARY: etc1