Move non_differentiable_arg_names from autograd functions to differentiability_info. (#19519)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/19519
ghimport-source-id: 74e603688b2e4ed33f6c46c7da9d009336140e74
Differential Revision: D15021378
Pulled By: gchanan
fbshipit-source-id: e366a914c67a90ba0552b67d0bf5b347edbaf189