8144630: Use PrivilegedAction to create Thread in Marlin RendererStats

[Hohensee, Paul]

Lgtm.

Thanks,
Paul

From: Laurent Bourgès <bourges.laurent at gmail.com>
Date: Thursday, February 13, 2020 at 5:25 AM
To: jdk8u-dev <jdk8u-dev at openjdk.java.net>, "Hohensee, Paul" <hohensee at amazon.com>
Subject: RFR: 8144630: Use PrivilegedAction to create Thread in Marlin RendererStats

Please review this 3rd patch to backport the Marlin renderer from jdk9.

JBS: https://bugs.openjdk.java.net/browse/JDK-8144630
patch: http://cr.openjdk.java.net/~lbourges/marlin8u/marlin-8.03/m03.8144630.patch
webrev: http://cr.openjdk.java.net/~lbourges/marlin8u/marlin-8.03/m03.8144630-webrev/
unshuffled patch: http://cr.openjdk.java.net/~lbourges/marlin8u/marlin-8.03/unshuffled/8-m03.8144630.patch

Changes in RendererStats:
* Fixed import:
-+import sun.awt.util.ThreadGroupUtils;
++import sun.misc.ThreadGroupUtils;
* Fixed indentation / chunks

Best regards,
Laurent