-Add validation check for MLD address as part of ML dev context creation. -Modify some function descriptions to clearly state the purpose. Change-Id: Id049145351bdd790126e0ab522d24e4c399c0ad2 CRs-Fixed: 2976130
-Add validation check for MLD address as part of ML dev context creation. -Modify some function descriptions to clearly state the purpose. Change-Id: Id049145351bdd790126e0ab522d24e4c399c0ad2 CRs-Fixed: 2976130