Bluetooth: Proper Sep-type update in BTAPP

 - make native calls only in connected state
 - check for connected profile from key value
 - update audiomanager in selective conditions only

Change-Id: I8ad2c9e182a42d68000963ca0b0a599f01f4cff8
CRs-fixed: 631619
Merge remote-tracking branch 'PA/kitkat' into remix-legacy