Modify Nsd{Service,Manager}Test to conform to its change

(clean cherry-pick from downstream branch)
Test: atest NsdManagerTest NsdServiceTest
Bug: 191844585
Merged-In: I3cf658498bef5755dcb01127a94fff913b6e6298

Change-Id: I3cf658498bef5755dcb01127a94fff913b6e6298
3 files changed