RK3399 android rpc file


I have tried to build tvmrpc-release.apk with opencl for RK3399 android 8.1, but it can not work.
Is there any link to download this file for RK3399 (android with opencl support, or even better vulkan support)? Or is there any kind person offer it to me?
@merrymercy @tqchen @yzhliu @eqy @dayanandasiet @ruslo