Profiles: WifiTrigger: Don't add SSIDs twice

* Looks like we get a list of duplicate SSIDs, resulting in
  a displayed list where each item is shown twice and both change
  state when you change one of them
* Introduce a list with SSIDs that were already added to skip
  adding these again

Change-Id: I3e38f14d790bd6817ad5fa5a3b996caec265838a
1 file changed