Fix DeviceConfig flag read in Binder thread A DeviceConfig flag was being read in the Binder thread, which would cause a SecurityException instead of the expected exception. Wrapping the flag read in a BinderFlagReader call should return the correct exception instead. Test: atest CtsAdServicesDebuggableDeviceTestCases Fixes: 298317200 Change-Id: I0d33e594fa03bbc2ceb5bc20598d04f5ff09e2c0