RFR: 8268965: TCP Connection Reset when connecting simple socket to SSL server [v3]

[Alexey Bakhtin]

> Please review the fix for JDK-8268965.
> 
> The new jtreg test is added for the described issue.
> sun/security/ssl and javax/net/ssl tests are passed

Alexey Bakhtin has updated the pull request incrementally with one additional commit since the last revision:

  Use tryLock

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4520/files
  - new: https://git.openjdk.java.net/jdk/pull/4520/files/198d0d96..dc51d9ef

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4520&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4520&range=01-02

  Stats: 8 lines in 1 file changed: 1 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4520.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4520/head:pull/4520

PR: https://git.openjdk.java.net/jdk/pull/4520