Minor changes to apps view.

- Ensuring that apps with numbers and in other locals have a section header.
- Adding an empty state when there are no apps with the current filter
- Removing unnecessary call to check AppInfos

Change-Id: I9dc541c680475b98745fa257ad7e4af06e3966c9
diff --git a/res/layout/apps_view.xml b/res/layout/apps_view.xml
index c1bae63..00f3cca 100644
--- a/res/layout/apps_view.xml
+++ b/res/layout/apps_view.xml
@@ -22,7 +22,7 @@
     android:background="@drawable/apps_customize_bg"
     android:descendantFocusability="afterDescendants">
     <include
-        layout="@layout/apps_list_reveal_view" />
+        layout="@layout/apps_reveal_view" />
     <include
         layout="@layout/apps_list_view" />
 </com.android.launcher3.AppsContainerView>
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