Backport request for https://bugs.openjdk.org/browse/JDK-8170305 to JDK 19 (and subsequently to LTS releases)

[Julian Reschke]

Hi there!

Jaikiran Pai recently fixed an HTTP/1.1 conformance issue in
HTTPUrlConnection (*) (reported back in 2016; see
<https://bugs.openjdk.org/browse/JDK-8170305>).

The fix was made last week (<https://github.com/openjdk/jdk/pull/10229>)
and the new JDK 20 EA build confirms the issue is gone.

I think it would be good if this made it into JDK 19 as well (and then
later on in LTS releases).

What needs to be done to start that process. (Note that I don't have
author status of openjdk).

Best regards, Julian

(*) And yes, the JDK HttpClient has the same issue, and the fix for that
is in progress
(<https://bugs.java.com/bugdatabase/view_bug.do?bug_id=8292044>)