Merge "emulator: Use distinct serial names for simultaneous qemu pipes." into nyc-dev

            } else {

                /* Host is connected. Register the transport, and start the

                 * exchange. */

                register_socket_transport(fd, "host", port, 1);

                std::string serial = android::base::StringPrintf("host-%d", fd);

                register_socket_transport(fd, serial.c_str(), port, 1);

                if (!WriteFdExactly(fd, _start_req, strlen(_start_req))) {

                    adb_close(fd);

                }