[1/2] OmniGears: add omni theme selector

Change-Id: I14b6d31f35db391450b2e2f6dc60ff593e8a6afb
diff --git a/res/xml/style_settings.xml b/res/xml/style_settings.xml
index 06b8cd7..94971eb 100644
--- a/res/xml/style_settings.xml
+++ b/res/xml/style_settings.xml
@@ -38,6 +38,11 @@
             android:entries="@array/systemui_theme_style_entries"
             android:entryValues="@array/systemui_theme_style_values" />
 
+        <ListPreference
+            android:key="omni_theme_select"
+            android:title="@string/omni_theme_select_title"
+            android:summary="@string/summary_placeholder" />
+
     </PreferenceCategory>
 
     <PreferenceCategory