[jdk11u-dev] RFR: 8232101: (sctp) Add minimal sanity tests for SCTP

[Goetz Lindenmaier]

I backport this for parity with 11.0.20-oracle.

-------------

Commit messages:
 - Backport 262d5f179088819c968e475cfbea7559aaa8a569

Changes: https://git.openjdk.org/jdk11u-dev/pull/1976/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1976&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8232101
  Stats: 84 lines in 1 file changed: 84 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1976.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1976/head:pull/1976

PR: https://git.openjdk.org/jdk11u-dev/pull/1976