[jdk11u-dev] RFR: 8224829: AsyncSSLSocketClose.java has timing issue

[Christoph Langer]

Backport of 8224829: AsyncSSLSocketClose.java has timing issue.
To make this one fit better (and maybe future backports), I also included the new recordLock functionality from JDK-8221882.

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Commit messages:
 - Backport a4277e56c8e4cbf801d1e00daec79b37ad4fdb84

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/446/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=446&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8224829
  Stats: 735 lines in 9 files changed: 445 ins; 119 del; 171 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/446.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/446/head:pull/446

PR: https://git.openjdk.java.net/jdk11u-dev/pull/446