8163991: Fix license and copyright headers under test/jdk/javadoc/ and test/tools/javac/
Reviewed-by: anazarov, iris, jjg, shurailine
Contributed-by: Sandeep Konchady <sandeep.konchady@oracle.com>

8067379: Investigate and replace .class files in langtools/test with equivalent .jasm files
Reviewed-by: jjg, ksrini, anazarov
Contributed-by: mallikarjuna.avaluri@oracle.com

6943119: Rebrand source copyright notices
Reviewed-by: darcy

Initial load