Rename WifiSsid.NONE to WifiManager.UNKNOWN_SSID

Bug: 144311098
Test: compiles
Change-Id: I8235c909c6b99e5a5e2adcf4c2a364ebd8faf913
1 file changed
tree: 0db5539e8c906738c3b60dab14419eb89113e630
  1. tests/