Merge "Set volume handling of the default route properly"

            mDefaultAudioVideo.mNameResId = com.android.internal.R.string.default_audio_route_name;

            mDefaultAudioVideo.mSupportedTypes = ROUTE_TYPE_LIVE_AUDIO | ROUTE_TYPE_LIVE_VIDEO;

            mDefaultAudioVideo.updatePresentationDisplay();

            if (((AudioManager) appContext.getSystemService(Context.AUDIO_SERVICE))

                    .isVolumeFixed()) {

                mDefaultAudioVideo.mVolumeHandling = RouteInfo.PLAYBACK_VOLUME_FIXED;

            }

            addRouteStatic(mDefaultAudioVideo);

            // This will select the active wifi display route if there is one.