omni: omnify the overlay stub

just add a simple omni theme for now

Change-Id: I3e5c4c36253f2a8cf8a74e493e5d269a70a4c40a
diff --git a/overlaystub/AndroidManifest.xml b/overlaystub/AndroidManifest.xml
index 0d89a14..66d9289 100644
--- a/overlaystub/AndroidManifest.xml
+++ b/overlaystub/AndroidManifest.xml
@@ -1,7 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.statix.overlaystub"
+    package="org.omnirom.overlaystub"
     android:versionCode="1"
     android:versionName="1.0">
 
-    <application android:label="Overlays" android:hasCode="false" />
+    <application android:label="OmniOverlays" android:hasCode="false" />
 </manifest>