[JDK 11] RFR 8157903: (prop) move Properties tests into OpenJDK

[Amy Lu]

Please review the patch to move Properties tests into OpenJDK.

bug: https://bugs.openjdk.java.net/browse/JDK-8157903
webrev: http://cr.openjdk.java.net/~amlu/8157903/webrev.00/

Thanks,
Amy