skia:api_mock_gpu_canvas: Use-of-uninitialized-value in GrShape::simplifyRect

Project: https://skia.googlesource.com/skia.git Detailed Report: https://oss-fuzz.com/testcase?key=5162098826149888 Project: skia Fuzzing Engine: libFuzzer Fuzz Target: apimockgpucanvas Job Type: libfuzzermsanskia Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash Stat...