RFR: 8287453: RenderPerfTest incorrectly measures performance

[Phil Race]

On Fri, 27 May 2022 18:58:12 GMT, Alexey Ushakov <avu at openjdk.org> wrote:

> Improved RenderPerfTest:
>   - removed RenderPerfLCD.java (we have LCD tests in RenderPerfTest.java)
>   - corrected and simplified test logic
>   - added timeout on low performant rendering
>   - used several markers to recover from missing frames
>   - protected measurements from multiple paint invocations

Marked as reviewed by prr (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/8928