[jdk17u-dev] RFR: 8297798: Timeout with DTLSOverDatagram test template

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

I had to resolve the ProblemList. Will mark as clean if not recognized automatically.

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Commit messages:
 - Backport 4b313b51b1787113961c289a41708e31fa19cacc

Changes: https://git.openjdk.org/jdk17u-dev/pull/1784/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1784&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297798
  Stats: 168 lines in 2 files changed: 35 ins; 89 del; 44 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1784.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1784/head:pull/1784

PR: https://git.openjdk.org/jdk17u-dev/pull/1784