hg: jdk/sandbox: http-client-branch: (WebSocket) API changes + test;

[pavel.rappo at oracle.com]

Changeset: 2a96e88888b2
Author:    prappo
Date:      2018-03-18 14:31 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/2a96e88888b2

http-client-branch: (WebSocket) API changes + test;

! src/java.net.http/share/classes/java/net/http/WebSocket.java
! src/java.net.http/share/classes/jdk/internal/net/http/websocket/WebSocketImpl.java
! test/jdk/java/net/httpclient/websocket/ImmediateAbort.java
! test/jdk/java/net/httpclient/websocket/SendTest.java
! test/jdk/java/net/httpclient/websocket/Support.java
! test/jdk/java/net/httpclient/websocket/WebSocketTest.java