RFR: 8367784: java/awt/Focus/InitialFocusTest/InitialFocusTest1.java failed with Wrong focus owner [v2]

[Prasanta Sadhukhan]

> Test was deproblemlisted in https://github.com/openjdk/jdk/pull/27136 without any modifications as it was passing in testing.
> Since it again failed, added the execution in EDT to be more thread-safe.
> 
> Fix is tested against several CI jobs each with several iterations link of which is in JBS

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  Use robot

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/27332/files
  - new: https://git.openjdk.org/jdk/pull/27332/files/505d10dc..3f1d13ed

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27332&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27332&range=00-01

  Stats: 5 lines in 1 file changed: 3 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/27332.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27332/head:pull/27332

PR: https://git.openjdk.org/jdk/pull/27332