RFR: 8356395: Spec needs to be clarified for InterfaceAddress.getBroadcast() method [v3]

[kieran-farrell]

> Spec currently suggests that only IPv6 addresses can return null for InterfaceAddress.getBroadcast(). Clarifying spec to state that certain IPv4 address such as the loopback address do not support broadcasting and can therefore also return null.

kieran-farrell has updated the pull request incrementally with one additional commit since the last revision:

  Update InterfaceAddress.java

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Changes:
  - all: https://git.openjdk.org/jdk/pull/25095/files
  - new: https://git.openjdk.org/jdk/pull/25095/files/c3915e21..83beab73

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25095&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25095&range=01-02

  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/25095.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25095/head:pull/25095

PR: https://git.openjdk.org/jdk/pull/25095