[jdk21u-dev] RFR: 8347277: java/awt/Focus/ComponentLostFocusTest.java fails intermittently

[Rui Li]

A clean backport of https://bugs.openjdk.org/browse/JDK-8347277

Test passed at local mac. Backporting it to 21 for parity with oracle. Test changes. Low risk.

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Commit messages:
 - Backport e2a503e26ee2a3c428c5db0cd4cbe71cdc7d837f

Changes: https://git.openjdk.org/jdk21u-dev/pull/2269/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2269&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347277
  Stats: 32 lines in 1 file changed: 20 ins; 6 del; 6 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2269.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2269/head:pull/2269

PR: https://git.openjdk.org/jdk21u-dev/pull/2269