Use separate PreferenceScreen for navigation bar settings
patch 1 - Volume rocker wake and volume rocker music control
patch 2 - add category and bolean for volume wake
patch 3 - Use separate PreferenceScreen for volume rocker behavior.
patch 4 - Move here volume rocker wake from display settings.
patch 5 - Move here volume rocker music controls from sound settings.
patch 6 - Move here volume rocker cursor control from language settings.
patch 7 - Remove boolean for volume wake
patch 8 - Fix build?
patch 9 - volume rocker wake:  Add option to disable

Signed-off-by:  Paul Beeler <sparksco@gmail.com>