8351851: Update PmemTest to run on AMD64

[frkator]

review to facilitate visibility on changes prior to testing @bwhuang-us

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8351851: Update PmemTest to run on AMD64 (Task - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/24416/head:pull/24416
$ git checkout pull/24416

Update a local copy of the PR:
$ git checkout pull/24416
$ git pull https://git.openjdk.org/jdk.git pull/24416/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 24416

View PR using the GUI difftool:
$ git pr show -t 24416

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/24416.diff

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[openjdk]

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