[FX] Add requires_grad to TensorMetadata (#60972)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60972
For PyTorch model memory requirement calculation, requires_grad is needed. Output tensors with requires_grad are saved in module context and increases memory during forward pass.
Test Plan: Existing test cases
Reviewed By: jamesr66a
Differential Revision: D29024932
fbshipit-source-id: def990f8c6ff6fa4537bfc377c646b9d44464ebd
