RFR: 8262296 Fix remaining doclint warnings in jdk.httpserver [v2]

[Chris Hegarty]

> Trivial clean up of remaining doclint warnings in jdk.httpserver. 
> 
> The minor spec clarifications do not amount to a normative change, so no CSR is required (they're documented the obvious and only possible behaviour).

Chris Hegarty has updated the pull request incrementally with one additional commit since the last revision:

  Update external links to use https

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2706/files
  - new: https://git.openjdk.java.net/jdk/pull/2706/files/e9d5ee12..93a93ea7

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2706&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2706&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2706.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2706/head:pull/2706

PR: https://git.openjdk.java.net/jdk/pull/2706