systemui: Add text plain battery style

Patchset 2: Fixed issues
            Shared anim offset between battery views (uptaded by the master view)
Patchset 3: More fixes
            Revert shared anim (is not viable)
Patchset 4: Fixed coding style
            Rebased
Patchset 5: Use system clock font
            Fix vertical aligment with system clock
            Rebased

Settings Change-Id: http://review.cyanogenmod.org/#/c/56039/

Change-Id: Ie288e58d5ce4f5c4d68d9ace31b333e82b4bff59
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/BatteryMeterView.java
	packages/SystemUI/src/com/android/systemui/DockBatteryMeterView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Revert "systemui: Add text plain battery style"

This reverts commit e0c7380e701fa5370abb9db659cb3d405b4c82e2.