Replaced reference to setPreferredNetworkType

replaced with @SystemApi setPreferredNetworkTypeBitmask

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

Merged-In: I8ae86595b104dcd16daacbf52cc8eaa5e7a3d08b
Change-Id: Ia66cfc8fe109cfc038a8b53969bcd562727dbbc2
6 files changed