CSD: Load the ISoundDoseFactory dynamically

Also removed the default implementation of the ISoundDoseFactory which
only provides a dummy SoundDose object. It is better to fall back to the
framework MEL.

Test: manual, logs
Bug: 272260521
Change-Id: I3b49c9ae4af7c4eafaef46de3fc90aa05bd819c4
6 files changed