Add CTS to verify NetworkAgent#setLingerDuration

Test: this
Bug: 184227264
Fix: 184796264
Merged-In: I77818685b2bfea499c0294874d205544161677c5
Change-Id: I77818685b2bfea499c0294874d205544161677c5
  (cherry-picked from ag/14104367)
1 file changed