[jdk19u] RFR: 8170305: URLConnection doesn't handle HTTP/1.1 1xx (informational) messages

[Vladimir Kempik]

Clean backport to jdk19u

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Commit messages:
 - Backport 8bd79d3efdcab5997056675467aac70895903d33

Changes: https://git.openjdk.org/jdk19u/pull/27/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19u&pr=27&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8170305
  Stats: 243 lines in 2 files changed: 242 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk19u/pull/27.diff
  Fetch: git fetch https://git.openjdk.org/jdk19u pull/27/head:pull/27

PR: https://git.openjdk.org/jdk19u/pull/27