Back out "[CUDA Pinned Memory] Event recording with non-blocking copies should track the storage context, not the tensor data pointer" (#69193)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/69193
Reviewed By: xing-liu, yuchenhao
Differential Revision: D32748570
fbshipit-source-id: bd73d7567f94c70daeace49d4081381b8adf2d77