RFR JDK-8194257: javax/net/ssl/compatibility/Compatibility.java should be updated for JDK 6 after JDK-8174748

[sha.jiang at oracle.com]

Hi,
After JDK-8174748, the AES_256 cipher suites are enabled by default for 
JDK 6, so this test has to mark those cipher suites are supported by JDK 6.
In addition, some AES_128 cipher suites also should be marked as JDK 6 
supported.
For more details, please look through the comments for JDK-8194257.

Webrev: http://cr.openjdk.java.net/~jjiang/8194257/webrev.01/
Issue: https://bugs.openjdk.java.net/browse/JDK-8194257

Best regards,
John Jiang