FM Radio: Add support for FM Radio in Android

Creating interface and framework for using FM Radio
RX and TX from different vendors.

Change-Id: I1a71aed01bfffdddfabf1cdfbfa3707cb1ed016b

Signed-off-by: Benn Porscke <benn.porscke@stericsson.com>
Merge commit 'refs/changes/57/30657/1' of http://review.cyanogenmod.org/CyanogenMod/android_build into jb-mv