ND Embeddings benchmark - Standardize randomized inputs (#64707)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64707
Use torch.randn instead of torch.from_numpy to generate the tensor
Test Plan: buck run //caffe2/benchmarks/operator_benchmark/pt:qembedding_pack_test
Reviewed By: jingsh
Differential Revision: D30817302
fbshipit-source-id: 924c05517812b4b9f7df05a8999f9236cfe7b672
