Roll Skia from 4e9d5e2bdf04 to 84f70136abfb (4 revisions) (flutter#26108)

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': '4e9d5e2bdf04c58bc0bff57be7171e469e5d7175',
+  'skia_revision': '84f70136abfb0af3cddf2ec7e8e2405f154916b0',
 
   # 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: eafbba4e51f1f10199bb89ccf5bab3a3
+Signature: bb5cf192c259b9386724587a924758d9
 
 UNUSED LICENSES:
 
@@ -5210,6 +5210,7 @@ FILE: ../../../third_party/skia/src/gpu/GrWritePixelsRenderTask.cpp
 FILE: ../../../third_party/skia/src/gpu/GrWritePixelsRenderTask.h
 FILE: ../../../third_party/skia/src/gpu/GrYUVATextureProxies.cpp
 FILE: ../../../third_party/skia/src/gpu/GrYUVATextureProxies.h
+FILE: ../../../third_party/skia/src/gpu/SkBaseGpuDevice.h
 FILE: ../../../third_party/skia/src/gpu/SkGpuDevice_nga.cpp
 FILE: ../../../third_party/skia/src/gpu/SkGpuDevice_nga.h
 FILE: ../../../third_party/skia/src/gpu/gl/egl/GrGLMakeNativeInterface_egl.cpp