OmniGears: reenable theme settings

Change-Id: Ida645ec5c2d2ee9b72c04297232ed02edfe7d66c
diff --git a/res/xml/style_settings.xml b/res/xml/style_settings.xml
index dba6069..4b33abb 100644
--- a/res/xml/style_settings.xml
+++ b/res/xml/style_settings.xml
@@ -33,5 +33,14 @@
                     android:targetClass="org.omnirom.omnistyle.BrowseWallsActivity" />
         </Preference>
 
+        <Preference
+            android:key="omni_theme_select_activity"
+            android:title="@string/omni_theme_select_title"
+            android:summary="@string/omni_theme_select_summary"
+            android:persistent="false" >
+            <intent android:action="android.intent.action.MAIN"
+                    android:targetPackage="org.omnirom.omnistyle"
+                    android:targetClass="org.omnirom.omnistyle.BrowseThemesActivity" />
+        </Preference>
     </PreferenceCategory>
 </PreferenceScreen>