Fixes in URLConnection

- Run guessCopntentTypeFrom(Name|Stream) in
getContentHandler if getContentType returns null.
- In case of unknown content type, return UnknownContentHandler,
do not throw an exception (Android did return null in this case,
may revise this idea).

Change-Id: I1e2da56831d0cac1ffea452bd86c291ac0a43354
1 file changed