[CUDA][DLPack] Try ~~bumping sleep interval~~ running on explicit side-stream for Windows `dlpack` test (#102283)
(attempted fix for Windows failure in #101318)
CC @huydhn
If this doesn't work, will try adding an explicit side stream in case that is causing the issue.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/102283
Approved by: https://github.com/huydhn
