[pytorch][quant][oss] Support 2-bit embedding_bag op "embedding_bag_2bit_rowwise_offsets" (#63658)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63658
Support 2-bit embedding_bag op "embedding_bag_2bit_rowwise_offsets"
Reviewed By: jingsh, supriyar
Differential Revision: D30454994
fbshipit-source-id: 7aa7bfe405c2ffff639d5658a35181036e162dc9
