hg: jdk/sandbox: http-client-branch: added ping support to test http2 server and some test pings from server to client in the BasicTest

[michael.x.mcmahon at oracle.com]

Changeset: 5899aa5e1837
Author:    michaelm
Date:      2017-11-24 17:34 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/5899aa5e1837

http-client-branch: added ping support to test http2 server and some test pings from server to client in the BasicTest

! test/jdk/java/net/httpclient/http2/BasicTest.java
! test/jdk/java/net/httpclient/http2/server/Http2TestExchange.java
! test/jdk/java/net/httpclient/http2/server/Http2TestExchangeImpl.java
! test/jdk/java/net/httpclient/http2/server/Http2TestServer.java
! test/jdk/java/net/httpclient/http2/server/Http2TestServerConnection.java