Convert ShutdownSocketSetTest to use NetworkSocket
Convert ShutdownSocketSetTest to use NetworkSocket

Summary: Convert the tests as well

Reviewed By: yfeldblum

Differential Revision: D12981682

fbshipit-source-id: b07567802c4ddba0e0d1fbab7ea021b9ea948c42

facebook/folly,facebook/folly,facebook/folly,facebook/folly,facebook/folly