Remove unuseful things and add stamping

Conflicts:
	services/java/com/android/server/SystemServer.java

Change-Id: I6284f0c5ff6e1e9e69102916de0e63eba126a6b9
Whitespaces
Color transition speed

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/NavigationBarView.java

Change-Id: Ie74e41cf4ae7b697555278627a3acb3cf7e23e08
Per-App-Expand: ExtendedPropertiesUtils

Conflicts:
	core/java/android/app/Activity.java

Change-Id: I56e2643ffdfcfe3b85d01fd279bccf1d1553ba30