RFR(s): 8167437: Fix module dependencies for tests that use internal API (java/lang)

[Sergei Kovalev]

Hello team,

Could you please review fix for:
BugID: https://bugs.openjdk.java.net/browse/JDK-8167437
WebRev: http://cr.openjdk.java.net/~skovalev/8167437/webrev.00/

Issue: two tests from java/lang uses internal API but have no 
declaration in jtreg header.
Solution: add missed declaration.

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With best regards,
Sergei