Add a CTS Verifier test for multinetwork with  WifiManager::enableNetwork

The CTS Verifier test is run on phones with cellular connectivity and
uses another phone with cellular connectivity and Wifi tethering feature
to test the behavior of the current phone when connected to the
tethered wifi access point and the state of connectivity at the access
point.

Bug: 76030202
Bug: 76029777
Test: This is the test
Change-Id: Ib9195a612e961cc8287bebb33237bb9976ab01ab
4 files changed