8052398: Uniqify test framework class names
Reviewed-by: darcy

8085822: JEP 223: New Version-String Scheme (initial integration)
Reviewed-by: erikj, dcubed, dholmes, alanb
Contributed-by: Kumar Srinivasan <kumar.x.srinivasan@oracle.com>, Magnus Ihse Bursie <magnus.ihse.bursie@oracle.com>

8076543: Add @modules as needed to the langtools tests
Reviewed-by: jjg, shurailine

8044859: javac duplicates option processing when using Compiler API
Reviewed-by: mcimadamore, vromero, jlahoda