Change the signature of onDropViewInstance. issue #5053

Summary:
https://github.com/facebook/react-native/issues/5053
Closes https://github.com/facebook/react-native/pull/5125

Reviewed By: svcscm

Differential Revision: D2807202

Pulled By: foghina

fb-gh-sync-id: 1e268c940a08aa7bf243971ba91d4595973f12af

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

@@ -92,7 +92,7 @@ public abstract class ViewManager<T extends View, C extends ReactShadowNode> {
    * Called when view is detached from view hierarchy and allows for some additional cleanup by
    * the {@link ViewManager} subclass.
    */
-  public void onDropViewInstance(ThemedReactContext reactContext, T view) {
+  public void onDropViewInstance(T view) {
   }
 
   /**