audio: config rework

-BOARD_HAVE_LOW_LATENCY_AUDIO is obsolete
-disable unneeded
AUDIO_FEATURE_DISABLED_DS1_DOLBY_DDP := true
AUDIO_FEATURE_DISABLED_FM := true
-added use.voice.path.for.pcm.voip=true
required to fix VOIP (hangout)
-remove obsolete properties

Change-Id: I871eef138666da6e9a97b2be7f3ed8198c734845
Merge "audio: config rework" into android-4.4