[9] Review request: 8178989: Missing copyright headers for some files

[Kevin Rushforth]

Hi Chien,

Please review this simple fix to add missing copyright headers to 7 files:

https://bugs.openjdk.java.net/browse/JDK-8178989
http://cr.openjdk.java.net/~kcr/8178989/webrev.00/

Thanks.

-- Kevin