Merge "Notify exit animation done to transfered starting window." into sc-dev

        // traverse the copy.

        final ArrayList<WindowState> children = new ArrayList<>(mChildren);

        children.forEach(WindowState::onExitAnimationDone);

        // The starting window could transfer to another activity after app transition started, in

        // that case the latest top activity might not receive exit animation done callback if the

        // starting window didn't applied exit animation success. Notify animation finish to the

        // starting window if needed.

        if (task != null && startingMoved) {

            final WindowState transferredStarting = task.getWindow(w ->

                    w.mAttrs.type == TYPE_APPLICATION_STARTING);

            if (transferredStarting != null && transferredStarting.mAnimatingExit

                    && !transferredStarting.isSelfAnimating(0 /* flags */,

                    ANIMATION_TYPE_WINDOW_ANIMATION)) {

                transferredStarting.onExitAnimationDone();

            }

        }

        getDisplayContent().mAppTransition.notifyAppTransitionFinishedLocked(token);

        scheduleAnimation();