Feature : Volume adjust sound preference 2/2
This patch allows the users to choose if they want the audible tone when adjusting the volume

The new preference is in
Settings | Sound
    Volume adjust sound
        Play sound when adjusting volume with hard keys
The Checkbox is defaulted to ON (1 in defaults.xml)

Look for 1/2 for the Framework volume panel change

Change-Id: I88ce5821190116297ad91a74ef98fe54c496bf56