Stop using deprecated Entity method in updateMockRepo

Change-Id: Idb67a3a06c1067b3fb7e6ece7e157832712e8e82
Remove broken conditional branch using a non-existing object

Change-Id: I369b2f048215f23407f99c8784e88f8b8102ccee
Language fallback for labels of referenced items.

Change-Id: I3973b059ec9ea03cd3cbcdd672ee1a0c8432d262
Merge "Stop using deprecated Entity method in updateMockRepo"
Merge "Remove broken conditional branch using a non-existing object"
Merge "Language fallback for labels of referenced items."