Do not request remote name from non-connectable dev

if an LE device is found during an LE scan, the BT host will try to fetch its name (creating an LE
connection) even though the advertising report received indicates that it is a non-connectable
advertising.
This is pointless and should not happen.

Change-Id: I246e4795b4f4e33f3202908ebff3724e8e89523c