settings: Add text plain battery style

Patchset 2: Fixed dependents
Patchset 3: Rebased

Requires: http://review.cyanogenmod.org/#/c/56038/

Change-Id: Ieb45b23bcfc850dbee6577885fb2f8312d19bdd6
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
(cherry picked from commit 20deb49bd4cd805e5901a42368cb9a7b3c28fdeb)

Conflicts:
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
	src/com/android/settings/cyanogenmod/StatusBar.java