[fix] tensor_split : non-contiguous indices tensor (#63390)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/63281
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63390
Reviewed By: ejguan
Differential Revision: D30362649
Pulled By: mruberry
fbshipit-source-id: 3ea3ad02199e4345beb0b580d056babd56112309
