RFR: 8133816: Display extra SSLServerSocket info in debug mode

[Weibing Xiao]

Log the debugging info for server cipher suites when setting javax.net.debug == ssl, handshake.

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Commit messages:
 - remove the whitespace
 - update wording and case of varialbe name
 - modify the error message for key exchange failure
 - refine the log message for tlsv1.3
 - address the comment from code review
 - update the test to combine protocol version of tsl1.2 and tsl1.3
 - improve the implementation to print server cipher suites
 - Merge branch 'display-server-side-enabled-cipher-suites-for-debug-mode' of https://github.com/weibxiao/jdk into display-server-side-enabled-cipher-suites-for-debug-mode
 - Merge branch 'openjdk:master' into display-server-side-enabled-cipher-suites-for-debug-mode
 - remove duplicat key exchange algorith
 - ... and 1 more: https://git.openjdk.org/jdk/compare/ce61eb6f...360b8ed6

Changes: https://git.openjdk.org/jdk/pull/9731/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9731&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8133816
  Stats: 236 lines in 2 files changed: 224 ins; 7 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/9731.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9731/head:pull/9731

PR: https://git.openjdk.org/jdk/pull/9731