Handle a condition when the result of getting configured networks returns null

Linked with ag/2842135

BUG:65267749
Change-Id: Idebc1b76f454640a2b493db9fb4bf263c0e448f5
1 file changed
tree: 4beeed14c3580708120ed8da57d0eac8f3f81cb5
  1. service/
  2. tests/