Some of the WifiManager tests assumed that WiFi is always supported. This is not true for all devices, for example the Android emulator, and is not a requirement in the CDD. BUG: 37633976 Test: Successfully ran 'run cts -m CtsNetTestCases' Change-Id: Ia6d62e8d2b6e0b0c2ef2fafd50529e722e4419e4 (cherry picked from commit 9703adffd5e3bf85e482cdac45a1147caff4ac3d)