Use the QTensor with QReLU (#19312)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/19312
Replaces the tuple hack with the QTensor. Please, note this can be landed ONLY after #18960 (D14810261) is landed.
Reviewed By: raghuramank100
Differential Revision: D14819460
fbshipit-source-id: 75ca649304b1619cb3cfe845962c9f226b8f884a
