Reuse common options between ONNXIFI and TVM transformations (#21163)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/21163
These two backend transformation share some common traits. Therefore we want to reuse the data struct/code as much as possible.
Reviewed By: hlu1
Differential Revision: D15561177
fbshipit-source-id: 35f5d63b2b5b3657f4ba099634fd27c3af545f1b
