[jdk21u] RFR: 8316778: test hprof lib: invalid array element type from JavaValueArray.elementSize

[Aleksey Shipilev]

Clean backport to improve hprof testing.

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Commit messages:
 - Backport f7deaf4bef21cb86fcc8a6c10454fbd6bbbba2d9

Changes: https://git.openjdk.org/jdk21u/pull/283/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=283&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316778
  Stats: 196 lines in 3 files changed: 185 ins; 0 del; 11 mod
  Patch: https://git.openjdk.org/jdk21u/pull/283.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/283/head:pull/283

PR: https://git.openjdk.org/jdk21u/pull/283