RFR: 8356752: Log mouse enter and exit events for debugging

[Abhishek Kumar]

Log mouse events output to analyze the failure in CI pipeline.

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Commit messages:
 - Log mouse events

Changes: https://git.openjdk.org/jdk/pull/25176/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25176&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356752
  Stats: 4 lines in 1 file changed: 3 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25176.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25176/head:pull/25176

PR: https://git.openjdk.org/jdk/pull/25176