JDK 9 RFR of JDK-8167525: update jdk tests to remove @compile --add-modules workaround

[Mandy Chung]

> On Mar 7, 2017, at 7:13 PM, Amy Lu <amy.lu at oracle.com> wrote:
> 
> Please review the patch to remove the @compile --add-modules workaround.
> 
> In the past, tests added --add-modules to @compile (JDK-8169231) or to @run (JDK-8156579) to workaround jtreg issue CODETOOLS-7901761. CODETOOLS-7901761 has been fixed in 4.2/b05, workaround in tests should be reverted.
> 
> bug: https://bugs.openjdk.java.net/browse/JDK-8167525
> webrev: http://cr.openjdk.java.net/~amlu/8167525/webrev.00/
> 
> Note that sun/nio/cs/OLD/TestIBMDB.java was added to ProblemList.txt in JDK-8169231, indicate this (JDK-8167525) as related bug. But now this test pass, so removed it from ProblemList.txt

Looks good.  Thanks for cleaning this up.

Mandy