qahw: test: Enhance and add new functionality to playback test app

- add mp3 & aac compress playback support
- move arguments to linux command like and take all
  args while invoking the test app
- add volume support
- align all the code to c style
- add default parameters

Change-Id: Ie5aa0b741887cddc3d6eb58d2ef5c9c93bc4e22d