*DU Edits* - Adapt to our custom seekbar - Wrap preferences/seekbar with a category / update strings - Add check to remove preferences depending on bool (config_button_brightness_support) Change-Id: I90531723f8751a92766e96f5409d979a2f5bd524 Signed-off-by: SagarMakhar <sagarmakhar@gmail.com> Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>