Roll Skia from 80abb89 to ec31488 (1 revision) (#18579)

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': '80abb89c3632a0766610e90e631aae562c9c0a33',
+  'skia_revision': 'ec31488ace6662735fb265fb60a2c3f1fbc7f645',
 
   # 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: f0d9cebd3a669bf8effbf4cb410c2287
+Signature: 1bbc03e8aa021ae3005b56821313c1e4
 
 UNUSED LICENSES:
 
@@ -5290,7 +5290,6 @@ FILE: ../../../third_party/skia/src/gpu/tessellate/GrDrawAtlasPathOp.cpp
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrDrawAtlasPathOp.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrMiddleOutPolygonTriangulator.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrMidpointContourParser.h
-FILE: ../../../third_party/skia/src/gpu/tessellate/GrResolveLevelCounter.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrVectorXform.h
 FILE: ../../../third_party/skia/src/gpu/tessellate/GrWangsFormula.h
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