SDL: Disable building Android audio subsystems.

love/src/jni/SDL2/include/SDL_config_android.h

@@ -142,10 +142,10 @@
 #define SIZEOF_VOIDP 4
 #endif
 
-/* Enable various audio drivers */
-#define SDL_AUDIO_DRIVER_ANDROID    1
-#define SDL_AUDIO_DRIVER_OPENSLES   1
-#define SDL_AUDIO_DRIVER_AAUDIO     1
+/* love2d-mod: Audio is handled by OpenAL */
+#define SDL_AUDIO_DRIVER_ANDROID    0
+#define SDL_AUDIO_DRIVER_OPENSLES   0
+#define SDL_AUDIO_DRIVER_AAUDIO     0
 #define SDL_AUDIO_DRIVER_DUMMY  1
 
 /* Enable various input drivers */