Forward port battery icon option [2/2]

Bring forward the various battery icon options.

Still retains new options for where to show battery percentage text.

Change-Id: I75b3d9f4ba4b4206d2be5f2cd24ceceeae3234fc

Patchset: 3
http://review.cyanogenmod.org/#/c/81740/

Conflicts:
	res/values/cm_strings.xml
	res/xml/status_bar_settings.xml
	src/com/android/settings/cyanogenmod/StatusBarSettings.java