Make "restrict_same_input_output_scale" field more clear. This is to prepare the operator properties for supporting fused ops.

PiperOrigin-RevId: 275931432
Change-Id: I42ac9d95a0b18c808e86b01e29d250f2d1a6ded9
diff --git a/tensorflow/lite/tools/optimize/operator_property.h b/tensorflow/lite/tools/optimize/operator_property.h
index b3c9975..39eeb60 100644
--- a/tensorflow/lite/tools/optimize/operator_property.h
+++ b/tensorflow/lite/tools/optimize/operator_property.h
@@ -50,7 +50,7 @@
   // Bias indexes.
   std::vector<int> biases = {};
 
-  // Constraints.
+  // Force output to reuse the same scale and zero point of input.
   bool restrict_same_input_output_scale = false;
 
   // Op version.