iceraven-browser/app/src/androidTest/assets/pages/global_privacy_control.html

<!DOCTYPE html>
<html>
<meta name="viewport" content="width=device-width">
<body>
<script type = "text/javascript" >
    const gpcValue = navigator.globalPrivacyControl
        if (gpcValue) {
            document.write('<p>GPC is enabled.</p>');
        } else {
            document.write('<p>GPC not enabled.</p>');
        }
</script>

</body>
</html>