8153416: unexport javah from jdk.compiler moduleReviewed-by: mchung
8076543: Add @modules as needed to the langtools testsReviewed-by: jjg, shurailine
6943119: Rebrand source copyright noticesReviewed-by: darcy
6572945: javah should be written as an annotation processor, not a docletReviewed-by: darcy