Updated searchsorted functionality (#66818)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/60492
Updates searchsorted API to be more consistent with numpy and adds an OpInfo for searchsorted
Pull Request resolved: https://github.com/pytorch/pytorch/pull/66818
Reviewed By: mruberry
Differential Revision: D31745142
Pulled By: samdow
fbshipit-source-id: 0b9600afc3cb0720afb5811212404ee96d2a7d93
