8196215: sun/security/util/Resources/customSysClassLoader/MessageFormatting.java failed on ar_SA locale. Summary: Fixing a minor bug in a test related to policy parser message formatting Reviewed-by: mullan, xuelei

^build/
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nbproject/private/
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^.jib/
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test/nashorn/script/external
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NashornProfile.txt
.*/JTreport/.*
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