on apex-ready
    mkdir /data/vendor/mediadrm 0770 media mediadrm

service vendor.drm-widevine-hal /apex/com.google.android.widevine/bin/hw/android.hardware.drm-service.widevine
    interface aidl android.hardware.drm::IDrmFactory/widevine
    class hal
    user media
    group media mediadrm drmrpc system
    ioprio rt 4
    task_profiles ProcessCapacityHigh