testRegisterCallbackWithCarrierPrivileges was marked as
SkipPresubmit. The bug is expected to be fixed, so add the
test back into presubmit.
Test: atest android.net.cts.ConnectivityDiagnosticsManagerTest
Bug: 159718782
Change-Id: Ic7dc050de0d9f03f0e157927928b4c45f76fe2d7