Speed dial respects display order prefs

- Speed dial names change based on whether user wants first name first
  or last name first
- Sort order preferece is respected if ContactEntries have conflicting
  pinned positions
- Added tests for PhoneFavoritesTileAdapter.arrangeContactsByPinnedPosition
  method

Bug:19364093
Change-Id: I81214abce572e297cc21fcb4f5a901ecad958380