Roll Skia from 766eeb2ac325 to 5648572f4a94 (1 revision) (flutter#21433)

Author: skia-flutter-autoroll

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '766eeb2ac325e4c9fd1982e20d64e8dc77752671',
+  'skia_revision': '5648572f4a94777c72412791736108f6eb4aeb32',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: 56e3145b422033b03f4fe66e4ff85b77
+Signature: 35cfb4f1a4c3bc252fb846e93259218e
 
 UNUSED LICENSES:
 
@@ -747,7 +747,6 @@ FILE: ../../../third_party/skia/src/sksl/SkSLParser.h
 FILE: ../../../third_party/skia/src/sksl/SkSLPosition.h
 FILE: ../../../third_party/skia/src/sksl/SkSLSPIRVCodeGenerator.cpp
 FILE: ../../../third_party/skia/src/sksl/SkSLSPIRVCodeGenerator.h
-FILE: ../../../third_party/skia/src/sksl/SkSLTestRehydrator.cpp
 FILE: ../../../third_party/skia/src/sksl/SkSLUtil.cpp
 FILE: ../../../third_party/skia/src/sksl/SkSLUtil.h
 FILE: ../../../third_party/skia/src/sksl/ir/SkSLBinaryExpression.h