Merge pull request #18 from jusa/dev

Set and keep IN_VOICE_CALL for voicecall source.
[util] AUDIO_DEVICE_OUT_PROXY is only in Qualcomm devices

Signed-off-by: Simonas Leleiva <simonas.leleiva@jollamobile.com>
[util] tmp hack: treat ARM devices as QCOM with exceptions

Signed-off-by: Simonas Leleiva <simonas.leleiva@jollamobile.com>
Merge pull request #20 from sledges/qcom

[util] AUDIO_DEVICE_OUT_PROXY is only in Qualcomm devices
[util] Refactor section parsing and recognize custom configs.

Refactor how audio configuration section parsing is handled.
Add preliminary support for custom global properties (only recognize the
properties and log them, do not store them yet anywhere).
[sink] Use default output device defined in config as default.