28da2e3490
SettingsProvider used to prevent any changes to certain settings when the corresponding user restriction is set, which isn't really what these restrictions mean. Even if a user restriction is set, it should still changing in the more restricting direction. Also stop setting "" to LOCATION_PROVIDERS_ALLOWED, which will simply be ignored. Bug 25614198 Change-Id: Ifa8edc2927e21e6c6174620c8c874c86c1dc0f75