Create a builder class to create Surface Animatable

The SurfaceAnimator.Animatable interface can be cumbersome to implement
each time we want to animate a surface

For simple cases, this CL introduces a SimpleSurfaceAnimatable that is
instanciated using a builder pattern.

Test: N/A
Bug: N/A
Change-Id: I0e1d82f17b9a334c3c7362f7ebe42bcecbc9b48c
1 file changed