[PATCH] mmdevapi: Implement ActivateAudioInterfaceAsync

[Marvin]

Hi,

While running your changed tests, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?

Full results can be found at:
https://testbot.winehq.org/JobDetails.pl?Key=79953

Your paranoid android.


=== w2008s64 (32 bit report) ===

mmdevapi:
0390:mmdevenum: unhandled exception c0000005 at 744E6E5D

=== w2008s64 (64 bit report) ===

mmdevapi:
0390:mmdevenum: unhandled exception c0000005 at 000007FEF8D81EC9