hg: jdk/sandbox: 3 new changesets

[alan.bateman at oracle.com]

Changeset: 510cfa118408
Author:    alanb
Date:      2019-03-01 15:05 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/510cfa118408

Expand and clean-up test coverage

! test/jdk/java/net/SocketImpl/SocketImplCombinations.java

Changeset: a0ad3ffd7b60
Author:    alanb
Date:      2019-03-01 17:40 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/a0ad3ffd7b60

Have connection reset by peer message be same as PlainSocketImpl

! src/java.base/windows/native/libnio/ch/SocketDispatcher.c
! test/jdk/java/net/Socket/asyncClose/BrokenPipe.java

Changeset: b145b1b04106
Author:    alanb
Date:      2019-03-01 18:28 +0000
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/b145b1b04106

HttpURLConnection.doTunneling can fail with IOE

! src/java.base/share/classes/java/net/HttpConnectSocketImpl.java