RFR: 8236626: Update copyright header for files modified in 2019

[Ambarish Rapte]

On Fri, 3 Jan 2020 00:29:48 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Simple fix to update the copyright year in the one file that was changed in 2019 after the last update of the year.
> 
> @arapte can you please review?

looks good to me.

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Marked as reviewed by arapte (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/76