Merge "Fix leak in LayoutTransition" into ics-mr1

     */

    private void setupChangeAnimation(final ViewGroup parent, final int changeReason,

            Animator baseAnimator, final long duration, final View child) {

        // If we already have a listener for this child, then we've already set up the

        // changing animation we need. Multiple calls for a child may occur when several

        // add/remove operations are run at once on a container; each one will trigger

        // changes for the existing children in the container.

        if (layoutChangeListenerMap.get(child) != null) {

            return;

        }

        // Make a copy of the appropriate animation

        final Animator anim = baseAnimator.clone();