Roll Skia from 6669b0126705 to 16bf7d31c819 (6 revisions) (flutter#19617)

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': '6669b01267057f32bd02cddad00b8ad3cbbac918',
+  'skia_revision': '16bf7d31c8192c37bba1c7451ac578e73d2350ca',
 
   # 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: 2677428a439c62b331af54143602c0a2
+Signature: ee2a74fc1bbe8b7b0ba6a4a1a7382d19
 
 UNUSED LICENSES:
 
@@ -3894,6 +3894,7 @@ ORIGIN: ../../../third_party/skia/bench/CreateBackendTextureBench.cpp + ../../..
 TYPE: LicenseType.bsd
 FILE: ../../../third_party/skia/bench/CreateBackendTextureBench.cpp
 FILE: ../../../third_party/skia/bench/GrQuadBench.cpp
+FILE: ../../../third_party/skia/bench/SkSLBench.h
 FILE: ../../../third_party/skia/experimental/skottiekit/skottiekit_bindings.cpp
 FILE: ../../../third_party/skia/gm/crbug_1041204.cpp
 FILE: ../../../third_party/skia/gm/crbug_224618.cpp