[jdk11u-dev] RFR: 8164804: sun/security/ssl/SSLSocketImpl/CloseSocket.java makes not reliable time assumption

[Goetz Lindenmaier]

I backport this for parity with 11.0.17-oracle.

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Commit messages:
 - Backport 347d41df909f5762c5e066ab70d0fe7ea500ffaf

Changes: https://git.openjdk.org/jdk11u-dev/pull/1165/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1165&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8164804
  Stats: 114 lines in 1 file changed: 50 ins; 50 del; 14 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1165.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1165/head:pull/1165

PR: https://git.openjdk.org/jdk11u-dev/pull/1165