AudioFX: overwrite MusicFX and not DSPManager

DSPManager does not exist anymore. But we need to block MusicFX to have a fully functional
working AudioFX.

Change-Id: I1e5a0b6baa149eddc3f0d57ffc4b3194d9cea5f0
AudioFX: New launcher icon by Cristian Giordano

Change-Id: I399c0321207c92d2aefe769bf947f4c2cbf884d3