Add instructions and operators for new bytecode format of PyText model (#33555)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33555
A quick fix for the PyText model (in internal production) on the new bytecode format.
Test Plan: Imported from OSS
Differential Revision: D20008266
Pulled By: iseeyuan
fbshipit-source-id: 1916bd0bf41093898713c567c7f6fa546b9ea440
