The goal is to eventually move all interfaces from each driver's `mmdevdrv.c` into `mmdevapi`.
-- v2: wine{alsa,coreaudio,oss,pulse}: Move test_connect handling into mmdevapi. winepulse: Move process_attach and process_detach handling into mmdevapi. mmdevapi: Query MemoryWineUnixFuncs virtual memory and store the resulting handle. wine{alsa,coreaudio,oss,pulse}: Return STATUS_NOT_IMPLEMENTED for unused unixlib functions. include: Add missing "winternl.h" include to unixlib.h.