[2/3] OmniGears: setting search index fixes

for propper creating we must provide our dashboard entries
directly in the xml file and not via manifest contribution

and while we are here fix all the wrong ListPreferences
added for left clock - must have persistent = false

Change-Id: I6ef79883202c564c05891b39b5815496401e7df5
diff --git a/res/xml/style_settings.xml b/res/xml/style_settings.xml
index 639a2ce..b03adb2 100644
--- a/res/xml/style_settings.xml
+++ b/res/xml/style_settings.xml
@@ -15,7 +15,9 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 -->
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
+        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings"
+        android:key="style_settings"
+        android:title="@string/style_settings_title" >
 
     <PreferenceCategory
         android:key="category_theming"