Add the ability to extract the query params from a urlsplit

The query params are quite useful to have (in collapsed or
non-collapsed modes) by applications that want to use urls
in situations where these params actually matter and are used
to do things like configure settings...

Change-Id: Iaf1b6a98f4152482d2f991b9dc7e4e24664c8b80
Merge "Add the ability to extract the query params from a urlsplit"