[jdk13u-dev] RFR: 8259707: LDAP channel binding does not work with StartTLS extension

[Alexey Bakhtin]

I'd like to port this fix to 13u. Applied clean, all relevant tests run as expected.

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Commit messages:
 - Backport 874aef4a8f7ca503591e21333c092d1a969bc5a8

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/131/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=131&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259707
  Stats: 74 lines in 2 files changed: 39 ins; 21 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/131.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/131/head:pull/131

PR: https://git.openjdk.java.net/jdk13u-dev/pull/131