RFR: 8314261: Make fields final in sun.net.www [v3]

[Andrey Turbanov]

> A few classes in `sun.net.www` package have non-final fields which could easily be marked `final`.

Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:

  8314261: Make fields final in sun.net.www

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14977/files
  - new: https://git.openjdk.org/jdk/pull/14977/files/91eba7be..cad2811a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14977&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14977&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14977.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14977/head:pull/14977

PR: https://git.openjdk.org/jdk/pull/14977