Switching to light theme for custom filter.

Change-Id: Ifea7f3b607184d1bd8cf755d69db3a354125286b
diff --git a/res/values-xlarge/styles.xml b/res/values-xlarge/styles.xml
index 4a397f6..5b920d6 100644
--- a/res/values-xlarge/styles.xml
+++ b/res/values-xlarge/styles.xml
@@ -62,7 +62,7 @@
     <style name="ContactsPreferencesTheme" parent="@android:Theme.Light.Holo">
     </style>
 
-    <style name="CustomContactListFilterTheme" parent="@android:Theme.Holo.Dialog">
+    <style name="CustomContactListFilterTheme" parent="@android:Theme.Holo.Light.Dialog">
     </style>
 
     <style name="CustomContactListFilterView" parent="CustomContactListFilterTheme">