Show device "account" in nav drawer menu

If there are contacts with a "null" account name and type (indicating that they
are device local contacts) then an item is included in the account section of
the nav drawer for "Device" contacts.

Bug 28637652
Bug 28637715
Change-Id: I975d20c8ab2bb14b9a9441e585d13237f7c09cb2
13 files changed