Correctly reset pivot when recyling views

Summary:
Calling `setPivotX` and `setPivotY` internally sets `isPivotExplicitlySet` in Android UI, which causes some transforms to no longer use the right transform. Instead use `resetPivot` to get the desired behaviour.

Changelog: [Android][Fixed] Bug with view transforms when view recycling is enabled

Reviewed By: NickGerleman

Differential Revision: D38579267

fbshipit-source-id: 36186286c6765f92aabaa44994546e06f34c2be0

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

@@ -92,8 +92,7 @@ protected T prepareToRecycleView(@NonNull ThemedReactContext reactContext, T vie
     setTransform(view, null);
 
     // RenderNode params not covered by setTransform above
-    view.setPivotX(0);
-    view.setPivotY(0);
+    view.resetPivot();
     view.setTop(0);
     view.setBottom(0);
     view.setLeft(0);