Log when a search result is selected or search is abandoned (1/3)

* Populate a SearchState from the MultiSelectContactEntryListAdapter
  to with information about the number of results and partitions
  displayed to the user.  If a selection was made, record additional
  details.

Bug 26697731

Change-Id: I96de87ea1d297045421604ee0cd13c51c6c13dc4