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>
fmradio: use caf naming

Change-Id: I9e0fefa3f2dabe991c6be63ab13a18ca38c37f71
Merge "FM Radio: Add support for FM Radio in Android" into jb-mr1
Merge "fmradio: use caf naming" into jb-mr1
Merge remote-tracking branch 'aokp/jb-mr1' into jb-mr1

Conflicts:
	media/libstagefright/FMRadioSource.cpp

Change-Id: I96f770282497f6d2ad41f722d6ec6a64de8b5312