klte-common: fix bluetooth audio stutter

Change-Id: I5a2ed91ebbc35c5de6e31125d11bbf59ccef3668
Revert "klte-common: update audio stack"

This reverts commit a822f424cbd94b14b96d42d632f0a2c2647cfa99.

Conflicts:
	system_prop.mk

Change-Id: Ie1cefeb1d3332205b527372ff66e758460e8ebf9