RFR: 8339895: Open source several AWT focus tests - series 3

[Prasanta Sadhukhan]

Opensource few focus tests

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Commit messages:
 - 8339895: Open source several AWT focus tests - series 3
 - 8339895: Open source several AWT focus tests - series 3

Changes: https://git.openjdk.org/jdk/pull/21050/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21050&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339895
  Stats: 644 lines in 5 files changed: 644 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21050.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21050/head:pull/21050

PR: https://git.openjdk.org/jdk/pull/21050