Test URL FetchOptions

[alesj]

No description provided.

[terryok]

These fail on appspot. 3/3 runs.

'testFollowRedirects(com.google.appengine.tck.urlfetch.FetchOptionsBuilderTest)': 3,
'testFollowRedirects(com.google.appengine.tck.urlfetch.FetchOptionsTest)': 3,
'testHeaders(com.google.appengine.tck.urlfetch.URLFetchTest)': 3,
'testPayload(com.google.appengine.tck.urlfetch.URLFetchTest)': 3,
'testURLConnection(com.google.appengine.tck.urlfetch.URLFetchTest)': 3}