Reshaping Fake meta tensor results in real meta tensor

[tugsbayasgalan]

with enable_python_dispatcher():
        tensor = torch.ones(4, 4, device="meta")
        f = tensor.reshape(2, 8)
        print(f) # prints tensor(..., device='meta', size=(2, 8))

cc @ezyang @chauhang @penguinwu @zou3519 @bdhirsh