[jdk18u] RFR: 8272996: JNDI DNS provider fails to resolve SRV entries when IPV6 stack is enabled [v2]

[Mat Carter]

> Backport of 4c169495a2c4bfdcbc82e94e9ca1ee0cc050daf9

Mat Carter has refreshed the contents of this pull request, and previous commits have been removed. Incremental views are not available.

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Changes:
  - all: https://git.openjdk.java.net/jdk18u/pull/25/files
  - new: https://git.openjdk.java.net/jdk18u/pull/25/files/697b7cf6..22f61959

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=25&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=25&range=00-01

  Stats: 19 lines in 1 file changed: 6 ins; 11 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/25.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/25/head:pull/25

PR: https://git.openjdk.java.net/jdk18u/pull/25