hg: jdk/sandbox: http-client-branch: update public API @since tags

[chris.hegarty at oracle.com]

Changeset: ba42a59d3072
Author:    chegar
Date:      2018-02-06 19:29 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/ba42a59d3072

http-client-branch: update public API @since tags

! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpClient.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpHeaders.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpRequest.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpResponse.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/HttpTimeoutException.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/WebSocket.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/WebSocketHandshakeException.java
! src/jdk.incubator.httpclient/share/classes/jdk/incubator/http/package-info.java