How do I enable new Audio engine in 4.15 and will it build for Android ?

I’d like to test new audio engine in Gear VR. How do I enable new Audio engine in 4.15 and will it build for Android ?

Thanks

The new audio mixer will be in 4.16 as experimental; it is not in 4.15.

Oh, I see. Is it safe to say Gear VR won’t get HRTF sound and reflections (and whatever else) until post-4.16 ?