RFR: JDK-8183372 : Refactor java/lang/Class shell tests to java [v12]

[Mahendra Chhipa]

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

Mahendra Chhipa has updated the pull request incrementally with one additional commit since the last revision:

  Generate the source files in JTWork directory.

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2170/files
  - new: https://git.openjdk.java.net/jdk/pull/2170/files/224a104a..3c235ab0

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2170&range=11
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2170&range=10-11

  Stats: 16 lines in 1 file changed: 1 ins; 7 del; 8 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