[11u]: RFR CSR backport: JDK-8220362: Add "POSIX_SPAWN" as valid value to jdk.lang.Process.launchMechanism on Linux

[Langer, Christoph]

> On 3/20/19 8:02 AM, Langer, Christoph wrote:
> > Hi Andrew,
> >
> >> Thanks. I get that, I'm just questioning the need to backport it to 11.
> >> No matter, I've approved it now.
> >
> > What do you mean by that? The bug JDK-8220362 [0] still has jdk11u-fix-no.
> 
> No it doesn't. JDK-8212828 still had a jdk11u-fix-no, so I fixed that.

Sorry, copy&paste error. I meant JDK-8212828, of course. Thanks for approving.

I've set CSR JDK-8220362 to "Finalized" now.

/Christoph