MusicFX: Fix fc in Settings.apk if nothing is choosen

Signed-off-by: helicopter88 <johnlemon.lol@gmail.com>

Conflicts:
	src/com/android/musicfx/ControlPanelPicker.java

Change-Id: I579549b6258d6859592a5fb5abc3a14277e9f183
auto-merger: merge in from slim/kk4.4