Stub NameOwnerChanged signal support

NameOwnerChanged signals will be used within fan control to configure
set speed events for when services providing parameters to the fan
control application have unexpectedly terminated.

Change-Id: I04f3c7ca2842732e33dc94b0280ad4483f7f1286
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
2 files changed