Make DISALLOW_CONFIG_LOCATION effectively disallow wifi scanning and
bluetooth scanning settings for location services.
screenshots: https://screenshot.googleplex.com/AqvEW2kTrQT2Ufp
Bug: 228315522
Bug: 228315529
Test: manually on sunfish flashed with rvc.
Change-Id: I6ef64a34764e52de7b461e87ea0af40a6d050587