ST_ERICSSON: Adding multimedia extension part2

manual import from
commit 151ce20c17e1a097a2edf5b467650941a1cc6287
Author: Patrik Ryd <patrik.ryd@stericsson.com>
Date:   Thu Apr 5 20:18:30 2012 +0000

    Adding multimedia extension

    More specifically:
    - ST-Ericsson audio support for multimedia.
    - Support for FM Audio in framework.

Change-Id: Iea956cb398793023cf8e8c003089ae6aef7fb843