[jdk11u-dev] RFR: 8211325: test/jdk/java/net/Socket/LingerTest.java fails with cleaning up

[Christoph Langer]

Clean backport of 8211325. The change to the problem list doesn't apply though, because the removed exclusion didn't exist in 11.

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Commit messages:
 - Backport 0cb267ad1c099d90267f764ade91b16f139a0aa7

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/293/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=293&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8211325
  Stats: 22 lines in 1 file changed: 7 ins; 0 del; 15 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/293.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/293/head:pull/293

PR: https://git.openjdk.java.net/jdk11u-dev/pull/293