SmoothProgressBar: Accelerate and Interpolator

PS1 : reformat the code
PS2 : use android animation interpolator

Signed-off-by: hany <hany.alsamman@gmail.com>
Signed-off-by: scott <scott@ubuntu>

Conflicts:
	core/java/android/provider/Settings.java
	core/java/android/widget/ProgressBar.java

Change-Id: If1f3560fa3d25aa1e8d63a2263992b15e2f14a7c

Conflicts:
	core/java/android/widget/ProgressBar.java