Fix backcompat for linear_relu_dynamic_fp16 (#32803)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/32803
Stack from [ghstack](https://github.com/ezyang/ghstack):
* **#32803 Fix backcompat for linear_relu_dynamic_fp16**
Test Plan: Imported from OSS
Reviewed By: jamesr66a
Differential Revision: D19642281
Pulled By: albanD
fbshipit-source-id: 3b6ae4dd81bf8a70dd81ccbb02fffd7653bbd08c
