Fix start delay for ValueAnimator

This CL ensures that doAnimationFrame() is called the frame
after start() is called, so that AnimatorSet can pulse frames
 into single animators as soon as they are start()'ed.

Test: new cts test in  same topic branch

Change-Id: I4f9522ce9e1a54ca3bcad6c696e6b248c945ff90
1 file changed