[jdk11u-dev] RFR: 8279520: SPNEGO has not passed channel binding info into the underlying mechanism

[Martin Doerr]

Backport of [JDK-8279520](https://bugs.openjdk.java.net/browse/JDK-8279520)
Clean except Copyright year update.

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Commit messages:
 - Backport 8d0f385fd0243c3e38b400f463b8d9727b0a5956

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/1060/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=1060&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279520
  Stats: 21 lines in 2 files changed: 8 ins; 0 del; 13 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/1060.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/1060/head:pull/1060

PR: https://git.openjdk.java.net/jdk11u-dev/pull/1060