Respect canFuseOn{CPU,GPU} in TE fuser (#43967)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/43967
Test Plan: Imported from OSS
Reviewed By: asuhan
Differential Revision: D23469048
Pulled By: bertmaher
fbshipit-source-id: 1005a7ae08974059ff9d467492caa3a388070eeb
