[jdk17u-dev] RFR: 6176679: Application freezes when copying an animated gif image to the system clipboard

[Goetz Lindenmaier]

I backport this for parity with 17.0.9-oracle.

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Commit messages:
 - Backport 6c71859ac240c788364169422e726f8f5443bf75

Changes: https://git.openjdk.org/jdk17u-dev/pull/1546/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1546&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-6176679
  Stats: 183 lines in 2 files changed: 170 ins; 8 del; 5 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1546.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1546/head:pull/1546

PR: https://git.openjdk.org/jdk17u-dev/pull/1546