RFR: 8319158: Parallel: Make TestObjectTenuringFlags use createTestJavaProcessBuilder

[Axel Boldt-Christmas]

On Sat, 29 Nov 2025 18:22:42 GMT, Ramkumar Sunderbabu <rsunderbabu at openjdk.org> wrote:

> Summary of change:
> 
> executeLimitedTestJava changed to executeTestJava to allow flags to be propagated to forked processes.
> @requires condition is expanded to include flags used in the test so that external flag settings don't disturb them.
> 
> Testing:
> HS Tiers 1 and 2
> Ran with all flag combinations in CI

Marked as reviewed by aboldtch (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/28567#pullrequestreview-3533963275