hg: jdk/sandbox: http-client-branch: Fixed h2c connection reuse problem (connections not being reused/cached)

[michael.x.mcmahon at oracle.com]

Changeset: 907bddce488c
Author:    michaelm
Date:      2017-12-11 16:43 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/907bddce488c

http-client-branch: Fixed h2c connection reuse problem (connections not being reused/cached)

! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Exchange.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Http2ClientImpl.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Http2Connection.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/PlainHttpConnection.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Stream.java