OSV-2020-1554 Object-size in void hb_ot_map_t::apply<GPOSProxy>

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24508 Crash type: Object-size Crash state: void hbotmapt::apply hbotmapt::position hbotshapeplant::position...