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

7025809: Provided new utility visitors supporting SourceVersion.RELEASE_8
Reviewed-by: jjg, mcimadamore

6962318: Update copyright year
Reviewed-by: xdono

6933147: Provided new utility visitors supporting SourceVersion.RELEASE_7
Reviewed-by: jjg

6943119: Rebrand source copyright notices
Reviewed-by: darcy

6926699: Annotation processing regression tests should typically return SourceVersion.latest
Reviewed-by: jjg

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