Refactored OpInfo testing to support custom SampleInputs, added addmm to op_db to test (#48627)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48627
Several changes to the OpInfo testing suite:
- Changed test_ops.py to support sample.inputs that are longer than a single element
- Changed OpInfo class to use custom sample_input generator functions, changed UnaryUfuncInfo to use new format
- Added mvp addmm op to operator database to test out sample.inputs with a length greater than a single element
Test Plan: Imported from OSS
Reviewed By: mruberry
Differential Revision: D25234178
Pulled By: Lilyjjo
fbshipit-source-id: cca2c60af7e6deb849a1cc3770c04ed88865016c
