module-dbus-protocol gets the default sink, which sets the default sink
if not already set. This is turn makes module-default-device-restore do
nothing.
To solve the problem, make sure module-default-device-restore is loaded
before module-dbus-protocol and not the other way around.
BugLink: http://bugs.launchpad.net/bugs/843780
Signed-off-by: David Henningsson <david.henningsson@canonical.com>