[2.3.x] Changes for https://java.net/jira/browse/GRIZZLY-1603 (Make HTTP Host header parsing lazy).
[2.3.x] Changes for https://java.net/jira/browse/GRIZZLY-1604 (notifyTransferEncodingParse is called instead of notifyTransferEncodingSerialize in HttpCodecFilter.serializeWithTransferEncoding).

(cherry picked from commit a8a758eb8e5f305e661da44605d4397a6589a59d)