RFR: JDK-8307603: [AIX] Broken build after JDK-8307301

Mon May 8 10:52:32 UTC 2023

The AIX build is broken after [JDK-8307301](https://bugs.openjdk.org/browse/JDK-8307301) which updated harfbuzz to 7.2 .
This was expected because an older AIX workaround was removed.
Bringing back the AIX workaround solves the issue.

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Commit messages:
 - JDK-8307603

Changes: https://git.openjdk.org/jdk/pull/13861/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13861&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307603
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/13861.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13861/head:pull/13861

PR: https://git.openjdk.org/jdk/pull/13861