Split Stream into InputStream and OutputStream HttpServer and HttpClient will need read or write only stream. BUG:24267885 Change-Id: I909c8d3d09e80a5fc56c6b96005105a542d2d4f8 Reviewed-on: https://weave-review.googlesource.com/1151 Reviewed-by: Alex Vakulenko <avakulenko@google.com>