Revert "AudioManager: make swap volume buttons RTL aware"

This reverts commit db26b426b5f1a9f0ad2e0e5bf24a51c600e72ac0.
Revert "Forward Port: Swap volume buttons when the screen is rotated by 90 or 180 degrees"

This reverts commit f6d8d47cabcbf509841734b1534e1e72888ec0a2.