Merge "Move cacerts_wfa from system to Wifi APEX"

 * @hide

 */

public final class WfaCertificateSource extends DirectoryCertificateSource {

    private static final String CACERTS_WFA_PATH =

            "/apex/com.android.wifi/etc/security/cacerts_wfa";

    private static class NoPreloadHolder {

        private static final WfaCertificateSource INSTANCE = new WfaCertificateSource();

    }

    private WfaCertificateSource() {

        super(new File(System.getenv("ANDROID_ROOT") + "/etc/security/cacerts_wfa"));

        super(new File(CACERTS_WFA_PATH));

    }

    public static WfaCertificateSource getInstance() {