Announce service availability on D-Bus after all initialization
Announce service availability on D-Bus after all initialization

This fixes a bug, where in, mapper was announcing the
availability of service prior to initialiazing.

Change-Id: I20b9af7716501dcd93b63f7c60bfc3c2692111c0
Signed-off-by: Vishwanatha Subbanna <baa851ce832a3dee6d6d4fecdb8bd9107bb356be@linux.vnet.ibm.com>

openbmc/phosphor-objmgr,openbmc/phosphor-objmgr