[reland][DTensor][3/N] add DTensor constructor function: full (#101436) (#103165)
This is a reland attempt of reverted PR #101436 .
Differential Revision: [D46537531](https://our.internmc.facebook.com/intern/diff/D46537531)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/103165
Approved by: https://github.com/wanchaol
