Merge "Add ACQUIRED_START message"

     */

     */

    public static final int FACE_ACQUIRED_FACE_OBSCURED = 19;

    public static final int FACE_ACQUIRED_FACE_OBSCURED = 19;

    /**

     * This message represents the earliest message sent at the beginning of the authentication

     * pipeline. It is expected to be used to measure latency. For example, in a camera-based

     * authentication system it's expected to be sent prior to camera initialization. Note this

     * should be sent whenever authentication is restarted (see IBiometricsFace#userActivity).

     * The framework will measure latency based on the time between the last START message and the

     * onAuthenticated callback.

     */

    public static final int FACE_ACQUIRED_START = 20;

    /**

    /**

     * Hardware vendors may extend this list if there are conditions that do not fall under one of

     * Hardware vendors may extend this list if there are conditions that do not fall under one of

     * the above categories. Vendors are responsible for providing error strings for these errors.

     * the above categories. Vendors are responsible for providing error strings for these errors.

     *

     *

     * @hide

     * @hide

     */

     */

    public static final int FACE_ACQUIRED_VENDOR = 20;

    public static final int FACE_ACQUIRED_VENDOR = 21;

    /**

    /**

     * @hide

     * @hide