RFR: 8206322: ZGC: Incorrect license header in gtests

[Thomas Schatzl]

Hi,

On Wed, 2018-07-04 at 00:04 +0200, Per Liden wrote:
> When the ZGC gtests where open-sourced, the license header in these 
> files were not updated accordingly.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8206322
> Webrev: http://cr.openjdk.java.net/~pliden/8206322/webrev.0
> 

  good.

Thomas