As part of the WifiStateTracker cleanup, need to have NetworkStateTracker as an interface. Change-Id: I2ac48d7e4c7274ac4df40bc3b8591b182956a936
As part of the WifiStateTracker cleanup, need to have NetworkStateTracker as an interface. Change-Id: I2ac48d7e4c7274ac4df40bc3b8591b182956a936