[NAN] Fix unit tests due to changes in WifiNanNative init/deinit
am: b8cc48f2a8

Change-Id: I34189aaf525b308d46e7ae7bc0d27b2ced240847
tree: 396d5721ec25cebbe2e7dc5d098113f54dac3347
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/