Merge pull request #10444 from ferjm/callloglimit2

Bug 829399 - Add a limit to the maximum number of calls logged inside th...(cherry picked from commit c74d0ee0692de0171af7b3a3f28b640a3f4fbec1)

Conflicts:

	apps/communications/dialer/js/call_log_db.js
	apps/communications/dialer/test/unit/calllog_db_test.js