SmoothProgressBar: User Custom ProgressBar Setting[1/2]

Sample : https://github.com/castorflex/SmoothProgressBar
Dokdo Project - Gwon Hyeok

Signed-off-by: anerik <anerikgames@gmail.com>

Conflicts:
	res/layout/seek_bar_preference.xml
	res/values/dokdo_strings.xml
	res/xml/system_ui_settings.xml