[mlf][efficiency] add tensor inference function to last-n collector op (#46693)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46693
title
Test Plan: unit tests
Reviewed By: hx89
Differential Revision: D23946770
fbshipit-source-id: f7c3d4a1b4ef3b0e5f56e5a9a30f5003ce9f40b0
