Added the ANDROID variables to plugin.xml

Author: Enes Kaya

plugin.xml

@@ -22,6 +22,9 @@
   <issue>https://github.com/EddyVerbruggen/Custom-URL-scheme/issues</issue>
 
   <preference name="URL_SCHEME" />
+  <preference name="ANDROID_HOST" />
+  <preference name="ANDROID_SCHEME" />
+  <preference name="ANDROID_PATHPREFIX" />
 
   <engines>
     <engine name="cordova" version=">=3.0.0"/>