Merge "Correct isRunning() behavior for AnimatorSet"

    /**

     * Returns true if any of the child animations of this AnimatorSet have been started and have

     * not yet ended.

     * @return Whether this AnimatorSet has been started and has not yet ended.

     * not yet ended. Child animations will not be started until the AnimatorSet has gone past

     * its initial delay set through {@link #setStartDelay(long)}.

     *

     * @return Whether this AnimatorSet has gone past the initial delay, and at least one child

     *         animation has been started and not yet ended.

     */

    @Override

    public boolean isRunning() {

        int size = mNodes.size();

        for (int i = 0; i < size; i++) {

            Node node = mNodes.get(i);

            if (node != mRootNode && node.mAnimation.isRunning()) {

            if (node != mRootNode && node.mAnimation.isStarted()) {

                return true;

            }

        }