[jdk21u-dev] RFR: 8355241: Move NativeDialogToFrontBackTest.java PL test to manual category

[Goetz Lindenmaier]

I backport this for parity with 21.0.10-oracle

Resolved problemlist, position as in 25. Hopefully clean.

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

Commit messages:
 - backport 33bdc807b18914bb57ca7853ab45d4fa8fdefd47

Changes: https://git.openjdk.org/jdk21u-dev/pull/2426/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2426&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8355241
  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2426.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2426/head:pull/2426

PR: https://git.openjdk.org/jdk21u-dev/pull/2426