Initial Chameleon Engine

Conflicts:
	core/java/android/content/res/Resources.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/BarTransitions.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Support chameleon engine to TextView and fix updateBackground issue
one more chameleon fix
Fix a programmatic smooth scroll bug

Bug: smoothScrollToPosition() stops at child view of which height is
higher than list view itself.

Change-Id: I695ca9db4c706aa7f365967dd3916f9a01917346
Signed-off-by: Yongyi Li <yongyi.li.cn@gmail.com>
use light font