Reset View tag when recycling

Summary:
Automation tests were hitting issues with view recycling enabled because we use the main tag field to lookup views, and not properly resetting it when recycling.

Changelog: [Internal]

Reviewed By: jehartzog

Differential Revision: D40076594

fbshipit-source-id: 5f518b979a23562f7e7fc8271488678e78f50e91

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

@@ -67,6 +67,7 @@ public abstract class BaseViewManager<T extends View, C extends LayoutShadowNode
   @Override
   protected T prepareToRecycleView(@NonNull ThemedReactContext reactContext, T view) {
     // Reset tags
+    view.setTag(null);
     view.setTag(R.id.pointer_enter, null);
     view.setTag(R.id.pointer_leave, null);
     view.setTag(R.id.pointer_move, null);