method can be used to add customized constraints to root certificates to be applied during chain building.
    </p>

    <p><!-- https://go.dev/issue/58922, CL 519315-->
      On Android, root certificates will now be loaded from <code>/data/misc/keychain/certs-added</code> as well as <code>/system/etc/security/cacerts</code>.
    </p>

    <p><!-- https://go.dev/issue/60665, CL 520535 -->