Update NDK Builder.launch
Update NDK Builder.launch

Update to make integration easier, user can download ndk to `~/android-ndk` and everything will just "work."
matthewcordaro/music-synthesizer-for-android,matthewcordaro/music-synthesizer-for-android,matthewcordaro/music-synthesizer-for-android,matthewcordaro/music-synthesizer-for-android