[jdk21u-dev] RFR: 8320079: The ArabicBox.java test has no control buttons

[Andrew Lu]

I backport this for parity with 21.0.5-oracle.

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Commit messages:
 - Backport 792fc9d114977664da0b3bebf0f1d82360d375b6

Changes: https://git.openjdk.org/jdk21u-dev/pull/648/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=648&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8320079
  Stats: 103 lines in 1 file changed: 103 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/648.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/648/head:pull/648

PR: https://git.openjdk.org/jdk21u-dev/pull/648