RFR: 8276901: Implement UseHeavyMonitors consistently [v2]

[Roman Kennke]

On Fri, 12 Nov 2021 19:24:37 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> The testing VM options are set in task definitions. I'll file a separate issue to adjust configs.

This is not necessary. I only need one or a few tests that exercise synchronize statement, and run this with -XX:+UseHeavyMonitors. If no such test exists, then I'll make one.

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PR: https://git.openjdk.java.net/jdk/pull/6320