RFR: JDK-8183372 : Refactor java/lang/Class shell tests to java

[Mahendra Chhipa]

https://bugs.openjdk.java.net/browse/JDK-8183372

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Commit messages:
 - JDK-8183372 : Refactor java/lang/Class shell tests to java

Changes: https://git.openjdk.java.net/jdk/pull/2170/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2170&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8183372
  Stats: 296 lines in 4 files changed: 137 ins; 115 del; 44 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2170.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2170/head:pull/2170

PR: https://git.openjdk.java.net/jdk/pull/2170