RFR: 8317706: Exclude java/awt/Graphics2D/DrawString/RotTransText.java on linux

[Christoph Langer]

This test is failing on several Linux configurations (SLES 15), so it should be excluded.

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Commit messages:
 - JDK-8317706

Changes: https://git.openjdk.org/jdk/pull/16096/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16096&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317706
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/16096.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16096/head:pull/16096

PR: https://git.openjdk.org/jdk/pull/16096