RFR: 8361249: PlainHttpConnection connection logic can be simplified [v3]

[Daniel Fuchs]

> The PlainHttpConnection::connectAsync method implements a retry logic that will call connect() again if connect() throws the first time. This will not work, as the channel is closed when connect() throws. That logic should be removed. Reconnection should only be attempted at a higher level (MultiExchange).

Daniel Fuchs has updated the pull request incrementally with one additional commit since the last revision:

  Review feedback

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/26087/files
  - new: https://git.openjdk.org/jdk/pull/26087/files/a63206df..12ba2924

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26087&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26087&range=01-02

  Stats: 8 lines in 1 file changed: 0 ins; 8 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/26087.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26087/head:pull/26087

PR: https://git.openjdk.org/jdk/pull/26087