Roll src/third_party/skia 69083b2b626b..b9998cdceec7 (9 commits) (flutter/engine#6620)

https://skia.googlesource.com/skia.git/+log/69083b2b626b..b9998cdceec7

Created with:
  gclient setdep -r src/third_party/skia@b9998cdceec7

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, who should
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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': '69083b2b626b173db75f13a2b51ee35b30101807',
+  'skia_revision': 'b9998cdceec748454c052eb6acb981dfbb731425',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 352f06c73d2d2707818a37eea3cfcf54
+Signature: 05b322e4e4efe8dd9093df9fb90184d5
 
 UNUSED LICENSES:
 
@@ -1587,6 +1587,8 @@ FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlVaryingHandler.h
 FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlVaryingHandler.mm
 FILE: ../../../third_party/skia/src/gpu/ops/GrClearStencilClipOp.cpp
 FILE: ../../../third_party/skia/src/gpu/ops/GrDebugMarkerOp.cpp
+FILE: ../../../third_party/skia/src/gpu/ops/GrDrawableOp.cpp
+FILE: ../../../third_party/skia/src/gpu/ops/GrDrawableOp.h
 FILE: ../../../third_party/skia/src/gpu/text/GrAtlasManager.cpp
 FILE: ../../../third_party/skia/src/gpu/text/GrAtlasManager.h
 FILE: ../../../third_party/skia/src/gpu/text/GrSDFMaskFilter.cpp