changed Thrift SimpleServer to ThreadedServer to support parallel connections
changed Thrift SimpleServer to ThreadedServer to support parallel connections

USC-NSL/p4c-behavioral,pierce-m/p4c-behavioral,USC-NSL/p4c-behavioral,PrincetonUniversity/p4c-behavioral,p4lang/p4c-behavioral,PrincetonUniversity/p4c-behavioral,p4lang/p4c-behavioral,p4lang/p4c-behavioral,pierce-m/p4c-behavioral,PrincetonUniversity/p4c-behavioral,pierce-m/p4c-behavioral,USC-NSL/p4c-behavioral