It looks like upstream does not support anything but x86, and they've added assembly code. So unless someone steps up to port that to ARM, the ARM binaries will be removed.
Curiously, the master branch of AOSP SDK now seems to support ARM64: https://ci.android.com/builds/submitted/7058119/sdk_arm64-sdk/latest
OpenPGP_signature
Description: OpenPGP digital signature
