Merge "Remove NotificationVisibility storage pool" am: 24141e81

public class NotificationVisibility implements Parcelable {

    private static final String TAG = "NoViz";

    private static final int MAX_POOL_SIZE = 25;

    private static ArrayDeque<NotificationVisibility> sPool = new ArrayDeque<>(MAX_POOL_SIZE);

    private static int sNexrId = 0;

    public String key;

    }

    private static NotificationVisibility obtain() {

        synchronized (sPool) {

            if (!sPool.isEmpty()) {

                return sPool.poll();

            }

        }

        return new NotificationVisibility();

    }

     * </p>

     */

    public void recycle() {

        if (key == null) {

            // do nothing on multiple recycles

            return;

        }

        key = null;

        if (sPool.size() < MAX_POOL_SIZE) {

            synchronized (sPool) {

                sPool.offer(this);

            }

        }

        // With a modern GC, this is no longer useful for objects this small.

    }

    /**