adds privileged permission for getCaptivePortalServerUrl adds tether privileged permission for startTethering,isTetheringSupported bug:62348162 Test: make and manual testing Change-Id: I8eb8e3c9dcd7201abe9ea303ee57fe99073d67eb
adds privileged permission for getCaptivePortalServerUrl adds tether privileged permission for startTethering,isTetheringSupported bug:62348162 Test: make and manual testing Change-Id: I8eb8e3c9dcd7201abe9ea303ee57fe99073d67eb