RFR: JDK-8261969: SNIHostName should check if the encoded hostname conform to RFC 3490 [v2]

[John Jiang]

> Similar to the constructor SNIHostName(String hostname), the constructor SNIHostName(byte[] encoded) also needs to check if the encoded hostname conform to RFC 3490.

John Jiang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into jdk-8261969
 - JDK-8261969: SNIHostName would check if the encoded hostname conform to RFC 3490

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2639/files
  - new: https://git.openjdk.java.net/jdk/pull/2639/files/59ba1c47..35041c54

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2639&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2639&range=00-01

  Stats: 3642 lines in 114 files changed: 2487 ins; 569 del; 586 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2639.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2639/head:pull/2639

PR: https://git.openjdk.java.net/jdk/pull/2639