Roll src/third_party/skia c1ad77c..18db52f (5 commits) (#18179)

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': 'c1ad77cf482a207c5240c804a5285e18376befc9',
+  'skia_revision': '18db52f2ee565f9a42e5acc855c6272aa37b6e11',
 
   # 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: a7e57f858a385acbc89a6f95e8944b23
+Signature: a72621aae4369572f66bc2af43582aba
 
 UNUSED LICENSES:
 
@@ -1330,6 +1330,8 @@ FILE: ../../../third_party/skia/modules/skparagraph/include/ParagraphStyle.h
 FILE: ../../../third_party/skia/modules/skparagraph/include/TextShadow.h
 FILE: ../../../third_party/skia/modules/skparagraph/include/TextStyle.h
 FILE: ../../../third_party/skia/modules/skparagraph/include/TypefaceFontProvider.h
+FILE: ../../../third_party/skia/modules/skparagraph/src/Decorations.cpp
+FILE: ../../../third_party/skia/modules/skparagraph/src/Decorations.h
 FILE: ../../../third_party/skia/modules/skparagraph/src/FontCollection.cpp
 FILE: ../../../third_party/skia/modules/skparagraph/src/Iterators.h
 FILE: ../../../third_party/skia/modules/skparagraph/src/OneLineShaper.cpp