DisplayRotation: Use new method to listen for preference changes

Usage of addOnSwitchChangeListener(OnCheckedChangeListener) is
deprecated. The Javadoc explicitly says:

  Use setOnPreferenceChangeListener(OnPreferenceChangeListener) instead.

Change-Id: I7a31cbdb8b68fc9e851c040f6b056bf7bfa5d2a8
1 file changed