Frameworks: Port BatteryBar (1/2)

{x} Adds Battery bar with following features:
{x} location set
{x} color
{x} aligment
{x} thickness
{x} charging animation

Change-Id: Ie9a168121dc569ec3af068a4bda6b46a4e896b2d

Frameworks: update battery bar default color to match kitkat ui (1/2)

Change-Id: I4fc0b51abb29ac0a9f0b86e4d0ad3519f697b0f6

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
	packages/SystemUI/res/layout/navigation_bar.xml