Roll src/third_party/skia 66261f1ac2b7..7724d3f4949b (3 commits) (#6252)

https://skia.googlesource.com/skia.git/+log/66261f1ac2b7..7724d3f4949b


Created with:
  gclient setdep -r src/third_party/skia@7724d3f4949b

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '66261f1ac2b743b9f7808277ae2e8709238a8d42',
+  'skia_revision': '7724d3f4949b9b43e99764acc9fcd6f43872d12c',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: 8ed6cf53af997d9ca12acc3f132a0a3d
+Signature: b0d224dbe1bddd5c441cee3e8f9d1562
 
 UNUSED LICENSES:
 
@@ -1524,6 +1524,9 @@ FILE: ../../../third_party/skia/src/gpu/effects/GrYUVtoRGBEffect.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrClampedGradientEffect.cpp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrClampedGradientEffect.fp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrClampedGradientEffect.h
+FILE: ../../../third_party/skia/src/gpu/gradients/GrDualIntervalGradientColorizer.cpp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrDualIntervalGradientColorizer.fp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrDualIntervalGradientColorizer.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrGradientShader.cpp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrGradientShader.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrLinearGradientLayout.cpp