Disabling alpha layer on some views

Change-Id: Ide1d5951ea80080f8fea8f32a76487b646b4f958

src/com/android/launcher3/allapps/AllAppsPagedView.java

@@ -76,4 +76,9 @@ public class AllAppsPagedView extends PagedView<PersonalWorkSlidingTabStrip> {
             super.determineScrollingStart(ev);
         }
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }