[fix] Dropout2d-3d no-batch-dim (#69885)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/69801
TODO:
* [x] Update C++ API
cc albanD mruberry jbschlosser walterddr kshitij12345
Pull Request resolved: https://github.com/pytorch/pytorch/pull/69885
Reviewed By: mruberry
Differential Revision: D33175470
Pulled By: jbschlosser
fbshipit-source-id: c9d7d9e0f59ba290a0157725c338a345f3d58b9f
(cherry picked from commit 7e4271a1564b36ef9a49ac35c210338470fedb89)
