Vulkan support on AOSP

I’ve build and flashed latest AOSP but when I try to run NCNN models on gpu which uses Vulkan I have this error: " vndksupport: Could not load vulkan.db845c.so from sphal namespace: dlopen failed: library “vulkan.db845c.so” not found. "
I have libvulkan.so in /system/lib64/