[jdk17u-dev] RFR: 8280990: [XWayland] XTest emulated mouse click does not bring window to front

[Andrew Lu]

I backport this for parity with 17.0.13-oracle.

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Commit messages:
 - Backport d2d78ad18e0b5d2a6a62f9c97ceec5592fa1de2e

Changes: https://git.openjdk.org/jdk17u-dev/pull/2740/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2740&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8280990
  Stats: 27 lines in 3 files changed: 23 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2740.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2740/head:pull/2740

PR: https://git.openjdk.org/jdk17u-dev/pull/2740