For now it only implements the audio output part.
The plugin can be used on all QNX systems (including BB10) that
provide a libasound version < 1.0.10.
Change-Id: Ifcfd871558d5d2bfb9e8a5f5ef0cfe009c0a111d
Reviewed-by: Thomas McGuire <thomas.mcguire@kdab.com>