Promote grandchildren of certain views are Views

Reviewed By: astreet

Differential Revision: D3161232

fbshipit-source-id: ea313d513bd7567e32f18765d479ba0538f2efbf

ReactAndroid/src/main/java/com/facebook/react/uimanager/ViewGroupManager.java

@@ -77,4 +77,13 @@ public abstract class ViewGroupManager <T extends ViewGroup>
     return false;
   }
 
+  /**
+   * Returns whether or not this View type should promote its grandchildren as Views. This is an
+   * optimization for Scrollable containers when using Nodes, where instead of having one ViewGroup
+   * containing a large number of draw commands (and thus being more expensive in the case of
+   * an invalidate or re-draw), we split them up into several draw commands.
+   */
+  public boolean shouldPromoteGrandchildren() {
+    return false;
+  }
 }