RFR: 8274856: Failing jpackage tests with fastdebug/release build

[Andy Herrick]

On Fri, 5 Nov 2021 19:58:01 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

> The fix is to isolate C++ calls in the separate forked child process on Linux. 
> This change requires the passing of JLI command line arguments and values of environment variables between two processes.

Marked as reviewed by herrick (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6283