audio: turn props into vendor props

d88d29a438 moved audio hal to vendor
but props audio hal is reading can't be used as vendor props so turn them into vendor props
in case some treble compatible device ends up using this hal and can't cross read props

Change-Id: I439b07011b681af05cbfaa4b7d88ae337751a6ff

audio/voice.c

@@ -421,7 +421,7 @@ struct voice_session *voice_session_init(struct audio_device *adev)
     }
 
     /* Two mic control */
-    ret = property_get_bool("audio_hal.disable_two_mic", false);
+    ret = property_get_bool("ro.vendor.audio_hal.disable_two_mic", false);
     if (ret > 0) {
         session->two_mic_disabled = true;
     }
@@ -433,7 +433,7 @@ struct voice_session *voice_session_init(struct audio_device *adev)
         return NULL;
     }
 
-    ret = property_get("audio_hal.force_voice_config", voice_config, "");
+    ret = property_get("ro.vendor.audio_hal.force_voice_config", voice_config, "");
     if (ret > 0) {
         if ((strncmp(voice_config, "narrow", 6)) == 0)
             session->wb_amr_type = 0;