Relax lower bound for nogil timing test to avoid false alarm (#16259)
Summary:
fixes #16250, #16271
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16259
Differential Revision: D13784505
Pulled By: mrshenli
fbshipit-source-id: 0b7ad98cd3c018b9907d70158de3abc3c4cb57ef
