Shift calls of the file descriptor overload of AsyncSocket::AsyncSocket() to the NetworkSocket overload
Shift calls of the file descriptor overload of AsyncSocket::AsyncSocket() to the NetworkSocket overload

Summary: The file descriptor overload will be going away.

Reviewed By: yfeldblum

Differential Revision: D13998628

fbshipit-source-id: 7a1d3bae03d4742d874e1e7d733f7733b5a1c110

phoad/rsocket-cpp,phoad/rsocket-cpp,phoad/rsocket-cpp,phoad/rsocket-cpp,ReactiveSocket/reactivesocket-cpp,ReactiveSocket/reactivesocket-cpp,ReactiveSocket/reactivesocket-cpp,rsocket/rsocket-cpp,rsocket/rsocket-cpp,rsocket/rsocket-cpp,phoad/rsocket-cpp,rsocket/rsocket-cpp