OSV-2022-981 Heap-buffer-overflow in SkPath::Iter::next

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51915 Crash type: Heap-buffer-overflow READ 8 Crash state: SkPath::Iter::next SkStroke::strokePath SkStrokeRec::applyToPath...