Minor UI tweaks in contacts preferences UI.

Change-Id: I28f2d3bf49e20a80c493c79dbcee906793f9f4f0
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 0c59b5d..b54d417 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -249,7 +249,7 @@
 
 
         <!-- Used to select display and sync groups -->
-        <activity android:name=".ui.DisplayGroupsActivity" android:label="@string/displayGroups" />
+        <activity android:name=".ui.ContactsPreferencesActivity" android:label="@string/displayGroups" />
 
         <activity
             android:name=".ui.ShowOrCreateActivity"