[android] fix android-ndk version

index.js

@@ -2,6 +2,7 @@ module.exports = {
     Sdk: require('./haxetool/sdk'),
     Haxe: require('./haxetool/haxe'),
     FlashPlayer: require('./haxetool/flashplayer'),
+    Android: require('./haxetool/android'),
     AdobeAir: require('./haxetool/adobe_air'),
     Project: require('./haxetool/project'),
-};
+};