Merge common fields from TensorInitParams and ShardedTensorMetadata into TensorProperties (#63731)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63731
1) Follow up [PR/63378 last comment](https://github.com/pytorch/pytorch/pull/63378#discussion_r693143053)
2) Also updated the caller side (usage of ShardedTensorMetadta) in fbcode
Ref: [landing workflow 3](https://www.internalfb.com/intern/wiki/PyTorch/PyTorchDev/Workflow/Landing/#landing-your-prs-from-gi-1)
Test Plan:
Imported from OSS
OSS: (pytorch).. $ python test/distributed/_sharded_tensor/test_sharded_tensor.py --v
FB: fbcode $ buck test mode/dev //aiplatform/modelstore/checkpointing/pyper/tests:checkpoint_utils_test
Reviewed By: wanchaol, heitorschueroff
Differential Revision: D30472281
fbshipit-source-id: 727fb0e7f10eab4eb7a10476194e9008f2ac1fb5
