Introduce "updateProps" field InsertMutation

Summary: This diff introduces the concept of "updateProps" as part of InsertMutation and it changes the diffing algorithm to populate this field.

Reviewed By: shergin

Differential Revision: D14289608

fbshipit-source-id: 642f00d03d294a12ea7fa7482c72e701b756f3d4

ReactAndroid/src/main/java/com/facebook/react/fabric/jsi/jni/Binding.cpp

@@ -402,8 +402,10 @@ void Binding::schedulerDidFinishTransaction(
           mountItems[position++] =
               createInsertMountItem(javaUIManager_, mutation);
 
-          mountItems[position++] =
-              createUpdatePropsMountItem(javaUIManager_, mutation);
+          if (mutation.newChildShadowView.props->revision != 0) {
+            mountItems[position++] =
+                createUpdatePropsMountItem(javaUIManager_, mutation);
+          }
 
           auto updateLayoutMountItem =
               createUpdateLayoutMountItem(javaUIManager_, mutation);

ReactCommon/fabric/mounting/Differentiator.cpp

@@ -116,7 +116,7 @@ static void calculateShadowViewMutations(
     const auto &newChildPair = newChildPairs[index];
 
     insertMutations.push_back(ShadowViewMutation::InsertMutation(
-        parentShadowView, newChildPair.shadowView, index));
+          parentShadowView, newChildPair.shadowView, index));
 
     insertedPairs.insert({newChildPair.shadowView.tag, newChildPair});
   }