RFR: 8295104: Break VarHandle tests into separate @test to reduce test execution time

[Mandy Chung]

On Mon, 10 Oct 2022 23:16:20 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> This separates `@run` into its own `@test` that they can be run concurrently.

Ok, thanks for the input.  Instead of breaking into separate `@test` blocks, we should look at how these tests can be broken up and which cases really need to exercise -Xint and compiler modes.  I think the test cases expecting UOE, OOBE, etc should not need to run with -Xint and compiler modes.

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PR: https://git.openjdk.org/jdk/pull/10641