UdpSocket has been observed failing again in the CI. [JDK-8265362](https://bugs.openjdk.org/browse/JDK-8265362) added a retry-once policy. This fix proposes to retry once more, and adds a bit of delay between retries.
------------- Commit messages: - Fix error message - 8341637:java/net/Socket/UdpSocket.java fails with "java.net.BindException: Address already in use" (macos-aarch64) Changes: https://git.openjdk.org/jdk/pull/21388/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21388&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8341637 Stats: 17 lines in 1 file changed: 7 ins; 0 del; 10 mod Patch: https://git.openjdk.org/jdk/pull/21388.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21388/head:pull/21388 PR: https://git.openjdk.org/jdk/pull/21388
