msm8976-common: Update prefixes for audio system properties

* All vendor-specific properties are required to have vendor prefixes

Change-Id: If899944896a91c647d4111dac79eb25f9611d75c

system.prop

@@ -1,34 +1,29 @@
 # Audio
 af.fast_track_multiplier=1
-audio_hal.period_size=192
-audio.dolby.ds2.enabled=true
 audio.deep_buffer.media=true
-audio.offload.buffer.size.kb=64
-audio.offload.gapless.enabled=true
 audio.offload.min.duration.secs=30
-audio.offload.multiple.enabled=false
-audio.offload.pcm.16bit.enable=true
-audio.offload.pcm.24bit.enable=true
-audio.offload.track.enable=true
 audio.offload.video=true
-audio.playback.mch.downsample=true
-audio.safx.pbe.enabled=true
-
-persist.audio.fluence.speaker=true
-persist.audio.fluence.voicecall=true
-persist.audio.fluence.voicerec=false
-
-ro.qc.sdk.audio.fluencetype=none
-ro.qc.sdk.audio.ssr=false
-tunnel.audio.encode=false
-use.voice.path.for.pcm.voip=true
-rec.playback.conc.disabled=true
-voice.conc.fallbackpath=deep-buffer
-voice.playback.conc.disabled=true
-voice.record.conc.disabled=false
-
-use.qti.sw.alac.decoder=true
-use.qti.sw.ape.decoder=true
+audio_hal.period_size=192
+persist.vendor.audio.fluence.speaker=true
+persist.vendor.audio.fluence.voicecall=true
+persist.vendor.audio.fluence.voicerec=false
+ro.vendor.audio.sdk.fluencetype=none
+ro.vendor.audio.sdk.ssr=false
+vendor.audio.dolby.ds2.enabled=true
+vendor.audio.offload.buffer.size.kb=64
+vendor.audio.offload.gapless.enabled=true
+vendor.audio.offload.multiple.enabled=false
+vendor.audio.offload.track.enable=true
+vendor.audio.playback.mch.downsample=true
+vendor.audio.rec.playback.conc.disabled=true
+vendor.audio.safx.pbe.enabled=true
+vendor.audio.tunnel.encode=false
+vendor.audio.use.sw.alac.decoder=true
+vendor.audio.use.sw.ape.decoder=true
+vendor.voice.conc.fallbackpath=deep-buffer
+vendor.voice.path.for.pcm.voip=true
+vendor.voice.playback.conc.disabled=true
+vendor.voice.record.conc.disabled=false
 
 # Bluetooth
 bluetooth.hfp.client=1