hg: jdk10/sandbox/jdk: http-client-branch: Fix issue with connection preface, and race condition with timeout

[daniel.fuchs at oracle.com]

Changeset: 623077982de1
Author:    dfuchs
Date:      2017-10-05 18:03 +0100
URL:       http://hg.openjdk.java.net/jdk10/sandbox/jdk/rev/623077982de1

http-client-branch: Fix issue with connection preface, and race condition with timeout

! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Exchange.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Http2Connection.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/MultiExchange.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/Stream.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/WindowController.java