Revert "Revert "Check RenderNode's owning view before attaching animators""

This reverts commit eb40178af3b7c8d925eaf6c1aa0bef739c8ea47e.

Change-Id: I6838ecb35b50847746ee66ac204f14eb5f579b91
diff --git a/libs/hwui/RenderNode.cpp b/libs/hwui/RenderNode.cpp
index bade216..9ac76a4 100644
--- a/libs/hwui/RenderNode.cpp
+++ b/libs/hwui/RenderNode.cpp
@@ -218,6 +218,10 @@
     mAnimatorManager.addAnimator(animator);
 }
 
+void RenderNode::removeAnimator(const sp<BaseRenderNodeAnimator>& animator) {
+    mAnimatorManager.removeAnimator(animator);
+}
+
 void RenderNode::damageSelf(TreeInfo& info) {
     if (isRenderable()) {
         if (properties().getClipDamageToBounds()) {