[jdk11u-dev] RFR: 8228442: DHKeyExchange/LegacyDHEKeyExchange.java failed due to "SSLException: An established connection was aborted by the software in your host machine"

[Martin Doerr]

Clean backport of JDK-8228442.

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Commit messages:
 - Backport 7e3bc4cb444c7b7f3cd3e514b4ad7d7137799401

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/334/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=334&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8228442
  Stats: 287 lines in 1 file changed: 14 ins; 252 del; 21 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/334.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/334/head:pull/334

PR: https://git.openjdk.java.net/jdk11u-dev/pull/334