Support multidimensional inputs to torch::tensor (#26210)
Summary:
This PR adds support for multidimensional inputs to `torch::tensor`, to match the Python `torch.tensor` API.
Closes https://github.com/pytorch/pytorch/issues/16099.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26210
Differential Revision: D17456761
Pulled By: yf225
fbshipit-source-id: a53ce74c535c13c5dcb833f19e9b6b79d12376b5
