RFR: 8263364: sun/net/www/http/KeepAliveStream/KeepAliveStreamCloseWithWrongContentLength.java wedged in getInputStream [v5]

[Ivan Šipka]

> @dfuch  could you please review, thank you.

Ivan Šipka has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:

 - 8263364: output
 - 8263364: removing surplus imports
 - 8263364: refactor
 - 8263364: refactor
 - 8263364: refactor
 - 8263364: fixed headers
 - JDK-8263364: initial commit

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4472/files
  - new: https://git.openjdk.java.net/jdk/pull/4472/files/5a5dc151..a9bae10d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4472&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4472&range=03-04

  Stats: 74070 lines in 1298 files changed: 38204 ins; 30902 del; 4964 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4472.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4472/head:pull/4472

PR: https://git.openjdk.java.net/jdk/pull/4472