RFR: 8316710: Exclude java/awt/font/Rotate/RotatedTextTest.java

[Christoph Langer]

Exclude java/awt/font/Rotate/RotatedTextTest.java until [JDK-8219641](https://bugs.openjdk.org/browse/JDK-8219641) is fixed. The error shows in several linux installations.

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Commit messages:
 - JDK-8316710

Changes: https://git.openjdk.org/jdk/pull/15880/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15880&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316710
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15880.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15880/head:pull/15880

PR: https://git.openjdk.org/jdk/pull/15880