TS28.623_Rel-19_CR0480_Add_slice_to_area_scope_to_support_network_slice_based_MDT
requested to merge TS_28.623_Rel-19_CR_Add_slice_to_area_scope_for_MDT_yang into Integration_Rel19_SA5_158_YANG
Add slice list to the area scope definition.
Add slice list to the area scope definition.