void setProvisionedTime(final long timeStampInMillis) {
        mTimeStampInMillis = timeStampInMillis;
    }
Sets the 128-bit authentication value generated based on the user input if the user input was selected
@param authenticationValue 128-bit auth value
mesh/src/main/java/no/nordicsemi/android/mesh/provisionerstates/UnprovisionedMeshNode.java