RFR: 8301379: Verify TLS_ECDH_* cipher suites cannot be negotiated

[Matthew Donovan]

This PR implements a test to verify that Java will not negotiate TLS connections when one side of the connection requests disabled cipher suites.

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Commit messages:
 - 8301379: Verify TLS_ECDH_* cipher suites cannot be negotiated

Changes: https://git.openjdk.org/jdk/pull/14316/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14316&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8301379
  Stats: 166 lines in 1 file changed: 166 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14316.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14316/head:pull/14316

PR: https://git.openjdk.org/jdk/pull/14316