8282511: Use fixed certificate validation date in SSLExampleCert template

Backport-of: 268fa693188b685de6289927ee5a1e99473a50f6

Author: Roman Marchenko

test/jdk/javax/net/ssl/ServerName/EndingDotHostname.java

@@ -26,7 +26,8 @@
  * @bug 8065422
  * @summary Trailing dot in hostname causes TLS handshake to fail
  * @library /javax/net/ssl/templates
- * @run main/othervm -Djdk.net.hosts.file=hostsForExample EndingDotHostname
+ * @run main/othervm --add-opens java.base/sun.security.ssl=ALL-UNNAMED
+ *      -Djdk.net.hosts.file=hostsForExample EndingDotHostname
  */
 
 import javax.net.ssl.*;