message: [lite] Improve LOG macro definition in label_image example.
  In particular, output the severity as a prefix (e.g. "INFO: ")
  on the message logged.
diff: @@ -50,7 +50,7 @@ limitations under the License.
  #include "tensorflow/lite/delegates/gpu/delegate.h"
  #endif
  -#define LOG(x) std::cerr
  +#define LOG(severity) (std::cerr << (#severity) << ": ")
  namespace tflite {
  namespace label_image {
  