Removing static Context access using LauncherAppState

> This ensures that LauncherAppState is only accessed in the presence of
a valid context

Bug: 33032833
Change-Id: I955e5cb022f8bd6374681ae6c0720a2666d5b750

tests/src/com/android/launcher3/model/AddWorkspaceItemsTaskTest.java

@@ -164,7 +164,7 @@ public class AddWorkspaceItemsTaskTest extends BaseModelUpdateTaskTestCase {
                 info.cellX = x;
                 info.cellY = y;
                 info.container = LauncherSettings.Favorites.CONTAINER_DESKTOP;
-                bgDataModel.addItem(info, false);
+                bgDataModel.addItem(targetContext, info, false);
             }
         }
         return startId;