audio: primary desc check for sonification

- Audio glitches on alarm expiry if alarm starts
  on screen lock/standby mode

- On alarm expiry alarm tone will start play on combo device
  &screen unlock tone try to play on headset which results
  multiple device switch, as a result audio glitches are audible

- Fix is to treat all non-music streams as sonification
  if sonfication strategy is used by primary desc which
  will avoid device switch

Change-Id: Ie280400d5f754a8d4bd8885b6836be5e120f8783
CRs-Fixed: 514467
Crs-Fixed: 626722