[slimtensor] Add aoti_torch_new_tensor_handle for SlimTensor #16449
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Add `aoti_torch_new_tensor_handle()` - Creates a new tensor handle that shares storage with the original tensor. Uses SlimTensor's copy constructor which shares the SharedPtr<Storage>, so both tensors reference the same memory. Differential Revision: [D90126245](https://our.internmc.facebook.com/intern/diff/D90126245/) [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/16449
Note: Links to docs will display an error until the docs builds have been completed. ❌ 3 New Failures, 1 Pending, 1 Unrelated FailureAs of commit 208e713 with merge base 35eb01a ( NEW FAILURES - The following jobs have failed:
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Add `aoti_torch_new_tensor_handle()` - Creates a new tensor handle that shares storage with the original tensor. Uses SlimTensor's copy constructor which shares the SharedPtr<Storage>, so both tensors reference the same memory. Differential Revision: [D90126245](https://our.internmc.facebook.com/intern/diff/D90126245/) [ghstack-poisoned]
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aoti_torch_new_tensor_handle()- Creates a new tensor handle that shares storage with the original tensor. Uses SlimTensor's copy constructor which shares the SharedPtr, so both tensors reference the same memory.Differential Revision: D90126245