[11] RFR: 8202771: Migrate Unicode character tests to JDK Repo

[Dora Zhou]

Hello,

Please help review the fix for migrating Unicode character tests to JDK 
repository. Please refer to the bug description for details.

Bug: https://bugs.openjdk.java.net/browse/JDK-8202771

Webrev: http://cr.openjdk.java.net/~ljiang/8202771/webrev.00/ 
<http://cr.openjdk.java.net/%7Eljiang/8202771/webrev.00/>


Thanks,
Dora