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

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

6499119: Created package-info class file modeled improperly
6920317: package-info.java file has to be specified on the javac cmdline, else it will not be avail.
Reviewed-by: darcy