Monitor : add constant for service name

Add a symbolic constant for Inventory Service. Although its value
happens to be the same as its interface, only having one constant allows
it to be used in ways that can cause confusion when reading the code.

Signed-off-by: Mike Capps <mikepcapps@gmail.com>
Change-Id: Ib97d7977a17c10be6ee874f6fe83865c58b50885
1 file changed