Fixing bug where scroll track was showing on the tablet.

Change-Id: Id86ed481af01bb209f9116041eaa542b9e373302
diff --git a/res/layout/apps_customize_pane.xml b/res/layout/apps_customize_pane.xml
index 9d86c48..00c87cb 100644
--- a/res/layout/apps_customize_pane.xml
+++ b/res/layout/apps_customize_pane.xml
@@ -79,6 +79,7 @@
                 launcher:maxGap="@dimen/workspace_max_gap" />
 
             <include
+                style="@style/AppsCustomizeScrollTrack"
                 android:id="@+id/paged_view_indicator_track"
                 layout="@layout/scroll_indicator_track"
                 android:layout_width="match_parent"