RFR: 8339995: Open source several AWT focus tests - series 6 [v2]

[Prasanta Sadhukhan]

> Opensource few Focus tests

Prasanta Sadhukhan has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains four commits:

 - Merge master
 - windows
 - InitialFocusTest
 - 8339995: Open source several AWT focus tests - series 6

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Changes: https://git.openjdk.org/jdk/pull/21079/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21079&range=01
  Stats: 580 lines in 5 files changed: 580 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21079.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21079/head:pull/21079

PR: https://git.openjdk.org/jdk/pull/21079