Move ColorExtractor.OnColorsChangedListener to inside of StatusBar.

Bug: 190746471
Test: manual
Change-Id: Ib7c6919c74ab1b9544116793025662eb75ca1ba8

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java

@@ -248,7 +248,7 @@ import dagger.Lazy;
 /** */
 public class StatusBar extends SystemUI implements
         ActivityStarter,
-        ColorExtractor.OnColorsChangedListener, ConfigurationListener,
+        ConfigurationListener,
         StatusBarStateController.StateListener,
         LifecycleOwner, BatteryController.BatteryStateChangeCallback,
         ActivityLaunchAnimator.Callback {
@@ -774,6 +774,9 @@ public class StatusBar extends SystemUI implements
     private final ActivityIntentHelper mActivityIntentHelper;
     private NotificationStackScrollLayoutController mStackScrollerController;
 
+    private final ColorExtractor.OnColorsChangedListener mOnColorsChangedListener =
+            (extractor, which) -> updateTheme();
+
     /**
      * Public constructor for StatusBar.
      *
@@ -981,7 +984,7 @@ public class StatusBar extends SystemUI implements
 
         mKeyguardIndicationController.init();
 
-        mColorExtractor.addOnColorsChangedListener(this);
+        mColorExtractor.addOnColorsChangedListener(mOnColorsChangedListener);
         mStatusBarStateController.addCallback(this,
                 SysuiStatusBarStateController.RANK_STATUS_BAR);
 
@@ -1897,11 +1900,6 @@ public class StatusBar extends SystemUI implements
         return mNotificationPanelViewController.hideStatusBarIconsWhenExpanded();
     }
 
-    @Override
-    public void onColorsChanged(ColorExtractor extractor, int which) {
-        updateTheme();
-    }
-
     @Nullable
     public View getAmbientIndicationContainer() {
         return mAmbientIndicationContainer;