Revert "DisplayRotation: Hide Swap volume buttons option if it's not supported"

This reverts commit 61b7cf17280a57a99d58e3619b810e330e07e954.
Revert "Swap volume buttons when the screen is rotated by 90 or 180 degrees (2/2)"

This reverts commit b109e97def9a88e27bfc5e1fef36d74bd96c7f1c.