Add integration test for capport API

Add a test to verify the ConnectivityService / NetworkMonitor
integration around the captive portal API.

Test: atest ConnectivityServiceIntegrationTest
Bug: 156062304
Change-Id: I4eed02e09fc4943c011d871c58ba97ec572c7763
5 files changed
tree: 0dd78793e97c12a3ed9f3c19b4c44b0debaf6931
  1. core/
  2. services/
  3. tests/