RFR: JDK-8241995: Clarify InetSocketAddress::toString specification [v2]

[Julia Boes]

> This change clarifies the InetSocketAddress::toString specification, which was recently updated to reflect an implementation change [1]. The specification is not changed, but it is enhanced with two examples and some more verbiage, as per earlier suggestions on the net-dev mailing list [2][3].
> 
> [1] https://bugs.openjdk.java.net/browse/JDK-8225499
> [2] https://mail.openjdk.java.net/pipermail/net-dev/2020-April/013776.html
> [3] https://mail.openjdk.java.net/pipermail/net-dev/2021-February/015297.html

Julia Boes has updated the pull request incrementally with one additional commit since the last revision:

  small adjustment

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2357/files
  - new: https://git.openjdk.java.net/jdk/pull/2357/files/f3394178..f022f7e2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2357&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2357&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2357.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2357/head:pull/2357

PR: https://git.openjdk.java.net/jdk/pull/2357