[android] fix yuv conversion - remove define (#50951)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/50951
Test Plan: Imported from OSS
Reviewed By: fmassa
Differential Revision: D26021488
Pulled By: IvanKobzarev
fbshipit-source-id: 6d295762bb1160a3ed8bafac08e03e1eeb07d688
