Mms: Fix no ringtone for MT SMS during the call.

If phone status is active, it will block ringtone sound.
If phone status is idle it will play ringtone sound by
Ringtone Player. Add config based functionality to play
the SMS ringtone during a call.

CRs-Fixed: 771756

Change-Id: If02b398d5eb3520f173d7b71a11df2536a218bc1