RFR: 8345840: Add missing TLS handshake messages to SSLHandshake.java

[Bradford Wetmore]

SunJSSE has many of the IANA TLS handshake message types defined, but some are reserved and could be added for debugging output.

https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml

Testing coverage:  JDK compilation only.

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Commit messages:
 - Updated copyright
 - Merge branch 'master' into JDK-8345840
 - Minor javadoc issue.
 - 8345840: Add missing TLS handshake messages to SSLHandshake.java

Changes: https://git.openjdk.org/jdk/pull/22657/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22657&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345840
  Stats: 29 lines in 1 file changed: 28 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/22657.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22657/head:pull/22657

PR: https://git.openjdk.org/jdk/pull/22657