Remove parent window from display content

This CL removes the logic related to the legacy ActivityView.

Bug: 179161778
Bug: 161810301
Test: build and boot to home.
Change-Id: I757769d3cac89ebddbdc467f533fed99c74941ee

core/java/com/android/internal/view/BaseIWindow.java

@@ -17,7 +17,6 @@
 package com.android.internal.view;
 
 import android.compat.annotation.UnsupportedAppUsage;
-import android.graphics.Point;
 import android.hardware.input.InputManager;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
@@ -61,10 +60,6 @@ public class BaseIWindow extends IWindow.Stub {
         }
     }
 
-    @Override
-    public void locationInParentDisplayChanged(Point offset) {
-    }
-
     @Override
     public void insetsChanged(InsetsState insetsState, boolean willMove, boolean willResize) {
     }