Make list=logevents display log entries by anonymous users

Also fix warnings being shown and "anon" property being given to non-anon entries
when "userid" leprop was used but no "user".

Bug: 50315
Change-Id: I4df1c8c1040fb39d75ead5851d42b02d9de87a5a
Merge "Make list=logevents display log entries by anonymous users"