Move ColorExtractor.OnColorsChangedListener to inside of StatusBar.

/** */

public class StatusBar extends SystemUI implements

        ActivityStarter,

        ColorExtractor.OnColorsChangedListener, ConfigurationListener,

        ConfigurationListener,

        StatusBarStateController.StateListener,

        LifecycleOwner, BatteryController.BatteryStateChangeCallback,

        ActivityLaunchAnimator.Callback {

    private final ActivityIntentHelper mActivityIntentHelper;

    private NotificationStackScrollLayoutController mStackScrollerController;

    private final ColorExtractor.OnColorsChangedListener mOnColorsChangedListener =

            (extractor, which) -> updateTheme();

    /**

     * Public constructor for StatusBar.

     *

        mKeyguardIndicationController.init();

        mColorExtractor.addOnColorsChangedListener(this);

        mColorExtractor.addOnColorsChangedListener(mOnColorsChangedListener);

        mStatusBarStateController.addCallback(this,

                SysuiStatusBarStateController.RANK_STATUS_BAR);

        return mNotificationPanelViewController.hideStatusBarIconsWhenExpanded();

    }

    @Override

    public void onColorsChanged(ColorExtractor extractor, int which) {

        updateTheme();

    }

    @Nullable

    public View getAmbientIndicationContainer() {

        return mAmbientIndicationContainer;