Add max_src_column_width to autograd profiler (#46257)
Summary:
Currently the max `src_column_width` is hardcoded to 75 which might not be sufficient for modules with long file names. This PR exposes `max_src_column_width` as a changeable parameter.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46257
Reviewed By: malfet
Differential Revision: D24280834
Pulled By: yf225
fbshipit-source-id: 8a90a433c6257ff2d2d79f67a944450fdf5dd494
