[jdk17u-dev] RFR: 8299075: TestStringDeduplicationInterned.java fails because extra deduplication

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

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Commit messages:
 - Backport 682359cb4871d779425a9468e8a307169b3651d6

Changes: https://git.openjdk.org/jdk17u-dev/pull/1836/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1836&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299075
  Stats: 21 lines in 1 file changed: 9 ins; 5 del; 7 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1836.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1836/head:pull/1836

PR: https://git.openjdk.org/jdk17u-dev/pull/1836