Roll Skia from 85fa75616dfe to d6f2338ab194 (3 revisions) (#23119)

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': '85fa75616dfe4666e83fd1f84415855a6fc56726',
+  'skia_revision': 'd6f2338ab194ca3cb58c52e24f8c530c51769cb5',
 
   # 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: 1792678dacbcbbffb692725b6e184a51
+Signature: 581e1cac4e57e34424b59550c956c75e
 
 UNUSED LICENSES:
 
@@ -794,7 +794,6 @@ FILE: ../../../third_party/skia/src/sksl/ir/SkSLUnresolvedFunction.h
 FILE: ../../../third_party/skia/src/sksl/ir/SkSLVarDeclarations.h
 FILE: ../../../third_party/skia/src/sksl/ir/SkSLVariable.h
 FILE: ../../../third_party/skia/src/sksl/ir/SkSLVariableReference.h
-FILE: ../../../third_party/skia/src/sksl/ir/SkSLWhileStatement.h
 FILE: ../../../third_party/skia/src/utils/SkMultiPictureDocument.cpp
 FILE: ../../../third_party/skia/src/utils/SkMultiPictureDocument.h
 FILE: ../../../third_party/skia/src/utils/SkMultiPictureDocumentPriv.h