RFR: 8283402: Update to gcc 11.2 on Linux

[Ambarish Rapte]

On Fri, 25 Mar 2022 12:19:10 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> This patch updates the compiler to gcc 11.2 on Linux, in order to match JDK 17 -- see [JDK-8283057](https://bugs.openjdk.java.net/browse/JDK-8283057).
> 
> I ran a full build and test, including media and WebKit.

Build on Ubuntu 20.04 looked fine to me.

-------------

Marked as reviewed by arapte (Reviewer).

PR: https://git.openjdk.java.net/jfx/pull/761