- Reset mAnimationEndRequested to false in ValueAnimator#start(boolean)
so that previously canceled animated (with a start delay) can be
canceled again.
- In ObjectAnimator#animateValue(float) check if target == null
regardless of mTarget == null since it's possible the target was
explicitly set to null prior to the animator being cancelled.
Bug: 30190459
Change-Id: I6da55737df30a28f48355fc7a41ab91d05979deb