Dialer: Fix Filter/Adjust meanings

I suppose that an adjust operation is meant to be once the filter already exists, so first we show "Filter" first, and once is set we say "Adjust". Then, if user reset the filter, we get back to "Filter" than "Adjust" again.

When filter is not set:
http://i.imgur.com/cekOBvr.png
When filter is set:
http://i.imgur.com/pOGKXbD.png

Change-Id: I6068c3542354aa3781e561aa798d56d5fc355027