RFR(XXS) 8249624: update appcds/sharedStrings/IncompatibleOptions test in view of 8081416 closed as WNF

[Yumin Qi]

Hi, Please review this tiny change on comment:

bug: https://bugs.openjdk.java.net/browse/JDK-8249624

webrev: http://cr.openjdk.java.net/~minqi/2020/8249624/webrev/


Note 8081416 already marked as fixed (thanks Ioi), please read the 
comment on https://bugs.openjdk.java.net/browse/JDK-8081416

With CDS can be done with UseCompressedOops disabled, the test already 
has correct result.


Thanks

Yumin