jf: Add new flag to enable tunnel audio support

Change-Id: I4d166483fdb7a4d6d5b92f22e76989af00d39ac6
Merge remote-tracking branch 'cm/cm-10.2' into HEAD

Conflicts:
	BoardConfigCommon.mk

Change-Id: I6801d1a365694b6b950a9908560be5117cd42255