Update call log adapter and related files for archived voicemails.

+ Populate CallLogAdapter items with different data depending on
whether it is in the voicemail archive activity or not
+ Added addVoicemailGroups method to CallLogGroupBuilder so that every
voicemail is put into an individual group
+ Voicemails grouped differently than regular calls, so added
changeCursorVoicemail in GroupingListAdapter
+Fix CallLogAdapter tests and add test for archive adapter

BUG=22797391

Change-Id: Ib8387c5b3ab8c5e39876cfaf20fde5a44295f152