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

8058373: Group 10a: golden files for tests in tools/javac dir
Reviewed-by: jjg, darcy

8005282: Use @library tag with non-relative path for javac tests
Reviewed-by: jjg

6983738: Use a JavacTestingAbstractProcessor
Reviewed-by: jjg

6943119: Rebrand source copyright notices
Reviewed-by: darcy

Initial load