Replaced reference to setPreferredNetworkType

replaced with @SystemApi setPreferredNetworkTypeBitmask

Bug: 147405973
Test: make RunSettingsRoboTests ROBOTEST_FILTER=EnabledNetworkModePreferenceControllerTest
      make RunSettingsRoboTests ROBOTEST_FILTER=PreferredNetworkModePreferenceControllerTest

Change-Id: I8ae86595b104dcd16daacbf52cc8eaa5e7a3d08b
6 files changed