Changed audio volume setting from "media" to "ringer" so it can be controlled by Volume Up/Down keys while app is in background.

project/src/Audio.java

@@ -1,5 +1,5 @@
 // This string is autogenerated by ChangeAppSettings.sh, do not change spaces amount
-package org.scummvm.sdl;
+package com.sourceforge.sc2;
 
 
 import android.app.Activity;
@@ -59,7 +59,7 @@ class AudioThread {
 					}
 					mAudioBuffer = new byte[bufSize];
 
-					mAudio = new AudioTrack(AudioManager.STREAM_MUSIC, 
+					mAudio = new AudioTrack(AudioManager.STREAM_RING,
 												rate,
 												channels,
 												encoding,