Add host-side memory requirement for `test_softmax_64bit_indexing` (#67922)
Summary:
https://github.com/pytorch/pytorch/issues/67910
The original `largeTensorTest` decorator didn't account for the additional host-side memory requirements.
Thanks crcrpar for raising the issue, CC ptrblck
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67922
Reviewed By: malfet
Differential Revision: D32308602
Pulled By: mruberry
fbshipit-source-id: 97b7d2c39fe63c1a8269402f72186026a89f6b4c
