[jdk21u-dev] RFR: 8371485: ProblemList awt/Mixing/AWT_Mixing/JTableInGlassPaneOverlapping.java for linux

[Roland Mesde]

Backporting JDK-8371485: ProblemList awt/Mixing/AWT_Mixing/JTableInGlassPaneOverlapping.java for linux.

This PR updates the awt/Mixing/AWT_Mixing/JTableInGlassPaneOverlapping.java test entry in the problem list because it also fails intermittently on Linux.

For parity with Oracle JDK. Already backported to 25.

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Commit messages:
 - Backport 066810c877b206a66cc87537487b17f0481646c3

Changes: https://git.openjdk.org/jdk21u-dev/pull/2629/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2629&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8371485
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2629.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2629/head:pull/2629

PR: https://git.openjdk.org/jdk21u-dev/pull/2629