RFR: 8233291: [TESTBUG] tools/jlink/plugins/VendorInfoPluginsTest.java fails with debug VMs

[Jie Fu]

Hi all,

May I get reviews for the small fix for the failure of 
VendorInfoPluginsTest.java in debug VMs?

JBS:    https://bugs.openjdk.java.net/browse/JDK-8233291
Webrev: http://cr.openjdk.java.net/~jiefu/8233291/webrev.00/

Thanks a lot.
Best regards,
Jie