Roll src/third_party/skia cd9ef731fe75..dafd65217b4e (1 commits) (#7770)

https://skia.googlesource.com/skia.git/%2Blog/cd9ef731fe75..dafd65217b4e

git log cd9ef731fe75caae3f400d8a1b1ea4ac8c4a8cdb..dafd65217b4e8883f4a43ffa43289e3c9a9ce22b --date=short --no-merges --format=%ad %ae %s
2019-02-10 fmalita@chromium.org Reland "[skottie] Add drop shadow support"

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 (stephana@google.com), 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': 'cd9ef731fe75caae3f400d8a1b1ea4ac8c4a8cdb',
+  'skia_revision': 'dafd65217b4e8883f4a43ffa43289e3c9a9ce22b',
 
   # 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: 450bc0f73bc240f4550652daf9b84825
+Signature: ed59157ab7ca277639aaf26883be68e5
 
 UNUSED LICENSES:
 
@@ -4342,6 +4342,8 @@ FILE: ../../../third_party/skia/include/private/GrContext_Base.h
 FILE: ../../../third_party/skia/include/private/GrImageContext.h
 FILE: ../../../third_party/skia/include/private/GrRecordingContext.h
 FILE: ../../../third_party/skia/include/private/SkVx.h
+FILE: ../../../third_party/skia/modules/sksg/include/SkSGRenderEffect.h
+FILE: ../../../third_party/skia/modules/sksg/src/SkSGRenderEffect.cpp
 FILE: ../../../third_party/skia/modules/sksg/src/SkSGTransformPriv.h
 FILE: ../../../third_party/skia/samplecode/SampleThinAA.cpp
 FILE: ../../../third_party/skia/src/core/SkDescriptor.cpp