RFR: Cleanup ProcessTool.createJavaProcessBuilder()

[Leonid Mesnik]

On Fri, 15 Apr 2022 20:38:47 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

> Two issues (discovered by Alex):
> 
> 1. A number of the "if" blocks are already covered by the `doubleWordArgs` loop.
> 2. The `doubleWordArgs` loop should exit with a `break` instead of a `continue`

Marked as reviewed by lmesnik (Committer).

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PR: https://git.openjdk.java.net/loom/pull/152