Roll Skia from 4ac9aadd306b to 38b9a4bc3e3c (7 revisions) (flutter#24633)

Author: skia-flutter-autoroll

DEPS

@@ -27,7 +27,7 @@ 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': '4ac9aadd306b2f22badfd982bb13987aa8b493e4',
+  'skia_revision': '38b9a4bc3e3c11e0f17545d15e714a74c10211e3',
 
   # 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: 29c11934673d6b2d620fd00139a23aa8
+Signature: b6d5a8af390cf52e2e807ec13b29056a
 
 UNUSED LICENSES:
 
@@ -5195,6 +5195,7 @@ TYPE: LicenseType.bsd
 FILE: ../../../third_party/skia/bench/TriangulatorBench.cpp
 FILE: ../../../third_party/skia/gm/crbug_1167277.cpp
 FILE: ../../../third_party/skia/gm/crbug_1174186.cpp
+FILE: ../../../third_party/skia/gm/crbug_1177833.cpp
 FILE: ../../../third_party/skia/gm/lazytiling.cpp
 FILE: ../../../third_party/skia/gm/particles.cpp
 FILE: ../../../third_party/skia/gm/runtimeeffectimage.cpp
@@ -7156,7 +7157,6 @@ ORIGIN: ../../../third_party/skia/src/effects/imagefilters/SkBlendImageFilter.cp
 TYPE: LicenseType.bsd
 FILE: ../../../third_party/skia/src/effects/imagefilters/SkBlendImageFilter.cpp
 FILE: ../../../third_party/skia/src/effects/imagefilters/SkPictureImageFilter.cpp
-FILE: ../../../third_party/skia/src/effects/imagefilters/SkPictureImageFilter.h
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 Copyright 2013 The Android Open Source Project