Adds check to unset a YogaNode's parent during reconciliation.

Summary: Adds check to unset a YogaNode's parent during reconciliation.

Reviewed By: davidaurelio

Differential Revision: D15714899

fbshipit-source-id: 6e2c2a28106574d062fec722c9a051acea87d0b6

java/com/facebook/yoga/YogaNode.java

@@ -42,6 +42,8 @@ public abstract class YogaNode {
   @Nullable
   public abstract YogaNode getOwner();
 
+  public abstract void unsetOwner();
+
   /** @deprecated Use #getOwner() instead. This will be removed in the next version. */
   @Deprecated
   @Nullable

java/com/facebook/yoga/YogaNodeJNIBase.java

@@ -137,6 +137,11 @@ public abstract class YogaNodeJNIBase extends YogaNode implements Cloneable {
     return mOwner;
   }
 
+  @Override
+  public void unsetOwner() {
+    mOwner = null;
+  }
+
   /** @deprecated Use #getOwner() instead. This will be removed in the next version. */
   @Deprecated
   @Nullable