OSV-2022-989 Use-of-uninitialized-value in SkPathStroker::CheckCubicLinear

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=51942 Crash type: Use-of-uninitialized-value Crash state: SkPathStroker::CheckCubicLinear SkPathStroker::cubicTo SkStroke::strokePath...