Add embedding bag support to fx_glow (#54909)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/54909
Pull Request resolved: https://github.com/pytorch/glow/pull/5481
This diff adds support for embedding bag to fx_glow and a test case to test_fx_glow.
Reviewed By: jfix71
Differential Revision: D27272897
fbshipit-source-id: 9e3be28efee38a01784afceb188a86f6408393dd
