added an experiment to check the impact of not setting baseline funct…

…ion on every yoga node

Summary:
Functionality where a child node can set itself as reference for baseline was added in Yoga

In litho we currently set baseline function on yoga node which returns the height of component. Added an experiment to check the impact of removing baseline function

Reviewed By: davidaurelio

Differential Revision: D13320942

fbshipit-source-id: ebec9d018712295c5c3d1be07dc73d40d8c57f19

litho-core/src/main/java/com/facebook/litho/ComponentLifecycle.java

@@ -359,7 +359,9 @@ InternalNode createLayout(ComponentContext context, boolean resolveNestedTree) {
     // delegates its layout creation to another component i.e. the root node belongs to
     // another component.
     if (node.getRootComponent() == null) {
-      node.setBaselineFunction(sBaselineFunction);
+      if (ComponentsConfiguration.shouldSetBaselineFunctionOnYogaNode) {
+        node.setBaselineFunction(sBaselineFunction);
+      }
 
       final boolean isMountSpecWithMeasure = canMeasure()
           && Component.isMountSpec((Component) this);

litho-core/src/main/java/com/facebook/litho/config/ComponentsConfiguration.java

@@ -277,4 +277,6 @@ public class ComponentsConfiguration {
    * autogenerated ids
    */
   public static boolean onlyProcessAutogeneratedTransitionIdsWhenNecessary = false;
+
+  public static boolean shouldSetBaselineFunctionOnYogaNode = true;
 }