message: Clean up Makefile.inc a bit.
diff: MICRO_VISION_MODEL_SRCS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.cc \
  -tensorflow/lite/experimental/micro/examples/micro_vision/person_detect_model_data.cc \
  +tensorflow/lite/experimental/micro/examples/micro_vision/person_detect_model_data.cc
  MICRO_VISION_MODEL_HDRS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.h \
  -tensorflow/lite/experimental/micro/examples/micro_vision/person_detect_model_data.h \
  +tensorflow/lite/experimental/micro/examples/micro_vision/person_detect_model_data.h
  MICRO_VISION_TEST_SRCS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/micro_vision_test.cc \
  @@ -20,11 +20,11 @@ $(MICRO_VISION_MODEL_HDRS)
  IMAGE_PROVIDER_TEST_SRCS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/image_provider.cc \
  tensorflow/lite/experimental/micro/examples/micro_vision/image_provider_test.cc \
  -tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.cc \
  +tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.cc
  IMAGE_PROVIDER_TEST_HDRS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/image_provider.h \
  -tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.h \
  +tensorflow/lite/experimental/micro/examples/micro_vision/model_settings.h
  MICRO_VISION_SRCS := \
  tensorflow/lite/experimental/micro/examples/micro_vision/image_provider.cc \
  