RFR: 8367114: Update jdk.test.lib.net.SimpleHttpServer to use SimpleFileServer [v2]

[Mahendra Chhipa]

> Update SimpleHttpServer class to use SimpleFileServer.

Mahendra Chhipa has updated the pull request incrementally with one additional commit since the last revision:

  Implemented review comments.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/27608/files
  - new: https://git.openjdk.org/jdk/pull/27608/files/15e71bba..64cad93a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27608&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27608&range=00-01

  Stats: 187 lines in 5 files changed: 28 ins; 138 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/27608.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27608/head:pull/27608

PR: https://git.openjdk.org/jdk/pull/27608