Land ENABLE_TASKBAR_IN_OVERVIEW

Fix: 270393449
Test: manual
Change-Id: I731bfa8ee86154fd034781e27272abc81a6fe6c6

quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java

@@ -127,10 +127,6 @@ public class TaskbarDragLayerController implements TaskbarControllers.LoggableTa
         return mAssistantBgTaskbar;
     }
 
-    public AnimatedFloat getOverrideBackgroundAlpha() {
-        return mBgOverride;
-    }
-
     public AnimatedFloat getTaskbarBackgroundOffset() {
         return mBgOffset;
     }