Merge "Declare Visualizer::setEnabled() 'final'"

                        ~Visualizer();

    virtual status_t    setEnabled(bool enabled);

    // Declared 'final' because we call this in ~Visualizer().

    status_t    setEnabled(bool enabled) final;

    // maximum capture size in samples

    static uint32_t getMaxCaptureSize() { return VISUALIZER_CAPTURE_SIZE_MAX; }