Clarify Picture docs on playback

 * drawing a sequence from a picture can be faster than the equivalent API

 * calls, since the picture performs its playback without incurring any

 * method-call overhead.

 *

 * <p class="note"><strong>Note:</strong> Prior to API level 23 a picture cannot

 * be replayed on a hardware accelerated canvas.</p>

 */

public class Picture {

    private Canvas mRecordingCanvas;

     * have been persisted across device restarts are not guaranteed to decode

     * properly and are highly discouraged.

     *

     * <p>

     * <strong>Note:</strong> Prior to API level 23 a picture created from an

     * input stream cannot be replayed on a hardware accelerated canvas.

     *

     * @see #writeToStream(java.io.OutputStream)

     * @deprecated The recommended alternative is to not use writeToStream and

     * instead draw the picture into a Bitmap from which you can persist it as

     * The resulting stream is NOT to be persisted across device restarts as

     * there is no guarantee that the Picture can be successfully reconstructed.

     *

     * <p>

     * <strong>Note:</strong> Prior to API level 23 a picture created from an

     * input stream cannot be replayed on a hardware accelerated canvas.

     *

     * @see #createFromStream(java.io.InputStream)

     * @deprecated The recommended alternative is to draw the picture into a

     * Bitmap from which you can persist it as raw or compressed pixels.