Forward Port: Swap volume buttons when the screen is rotated by 90 or 180 degrees

Change to default behaviour not configurable due that it is now
more natural

Change-Id: I323b647066e8c73fac60067141d1add7b2f9962d
Merge "Forward Port: Swap volume buttons when the screen is rotated by 90 or 180 degrees" into lp5.0