RFR: JDK-8300912: Update java/nio/MappedByteBuffer/PmemTest.java to run on x86_64 only [v2]

Tue Apr 11 20:56:36 UTC 2023

On Wed, 15 Feb 2023 20:31:53 GMT, Bill Huang <bhuang at openjdk.org> wrote:

>> This task is created to update jtreg test to run on x86 only because pmem emulation is only supported on x86. For other architectures with external NVRAM, run test with java PmemTest.
>
> Bill Huang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Moved the aarch64 to a new test instance.

Marked as reviewed by msheppar (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/12352#pullrequestreview-1380071260