AOSP 8 Oreo with LDAC and AAC support

I’m researching SBC boards for a Bluetooth audio app project.

Will AOSP 8 Oreo images with LDAC and AAC support be made available for download ?
As per the Fluoride Bluetooth Stack here : https://android.googlesource.com/platform/system/bt

I’m aware of this : https://source.android.com/setup/devices#960hikey
But I’m under the impression that it’s not going to be a full Android OS build :