RFR: 8347475: GTK: javax/swing/JColorChooser/Test8152419.java there is no swatches or RGB tab in JColorChooser

[Abhishek Kumar]

There are no tabs available for GTK Look and Feel due to the different ColorChooser UI design. Updated the test to skip testing for GTK L&F.

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Commit messages:
 - Test update

Changes: https://git.openjdk.org/jdk/pull/23128/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23128&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8347475
  Stats: 10 lines in 1 file changed: 9 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/23128.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23128/head:pull/23128

PR: https://git.openjdk.org/jdk/pull/23128