pytorch

a9d43d6f - Dynamo+LTC: add pybind to set force fallback config and use that in test_extract_compiled_graph.py (#75292)

Dynamo+LTC: add pybind to set force fallback config and use that in test_extract_compiled_graph.py (#75292) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/75292 - Follow the convention in [this doc](https://docs.google.com/document/d/1Vi96ITGoK7BW01ZEccexs4pvCQKF4_LdV8w7TfIWPvM/edit) to setup config for ltc force fallback ops. - Pybinds are added to read/set the config. - Use the added pybinds in the unit test which needs to force fallbacks. Test Plan: ``` pytest test/lazy/test_extract_compiled_graph.py ``` Reviewed By: malfet Differential Revision: D35417678 Pulled By: shunting314 fbshipit-source-id: 1e05b8c831174872d70257a0ddd958863d6ca80d (cherry picked from commit 9366bde7ef20837dcf03b7d8e18f9017a58c80fa)