[jdk11u-dev] RFR: 8267938: (sctp) SCTP channel factory methods should check platform support

[Ao Qi]

Hi all,

I would like to backport [JDK-8267938](https://bugs.openjdk.org/browse/JDK-8267938). According to the bug description, 11(.0.11) is also affected. `java/net/SctpSanity.java` can reproduce this problem. The backport is clean except copyright year. GHA testing is passed.

Thanks!

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Commit messages:
 - update copyright year
 - Merge branch 'master' into backport-8267938
 - Backport bd31653e6f99d4337e4af1f7f138d688ec99c19d

Changes: https://git.openjdk.org/jdk11u-dev/pull/2500/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2500&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8267938
  Stats: 8 lines in 1 file changed: 6 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2500.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2500/head:pull/2500

PR: https://git.openjdk.org/jdk11u-dev/pull/2500