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 "FM Radio: Add support for FM Radio in Android" into android-4.4