Adding additional cases where we may have to recalculate the number of apps/widget pages. (Bug: 5475261)

Change-Id: Ia5f0cea7a3b8bd0a972ec3ea2fadc72eb0f7689a

src/com/android/launcher2/AppsCustomizeTabHost.java

@@ -75,8 +75,6 @@ public class AppsCustomizeTabHost extends TabHost implements LauncherTransitiona
     }
     void selectWidgetsTab() {
         setContentTypeImmediate(AppsCustomizePagedView.ContentType.Widgets);
-        mAppsCustomizePane.setCurrentPageToWidgets();
-
         setCurrentTabByTag(WIDGETS_TAB_TAG);
     }