[2/2] Settings: Battery Bar

Port of https://github.com/AOKP/packages_apps_ROMControl/commit/4d23fe17046512f5d9841bd79cb1bc83480e73b0

Change-Id: If3377e2836e4f37fcb7d71a5d4f8d5f8a6f857dd

Conflicts:
	res/values/ok_arrays.xml
	res/values/ok_strings.xml
	res/xml/omnikang_settings.xml