Fixed OneTimeSafetyChecker callback.

It was inverting the "isSafe" value.

Test: atest DeviceOwnerTest#testDevicePolicySafetyCheckerIntegration_onOperationSafetyStateChanged

Bug: 173541467
Bug: 178494483

Change-Id: Ia2dd44e1ae413bc3358c419d2f59c82152aada57
3 files changed