fix(Android): on scroll syntax error (#577)

getJSEventName() needs a ScrollEventType parameter

android/src/main/java/com/reactnativecommunity/webview/RNCWebViewManager.java

     }
     export.put(TopLoadingProgressEvent.EVENT_NAME, MapBuilder.of("registrationName", "onLoadingProgress"));
     export.put(TopShouldStartLoadWithRequestEvent.EVENT_NAME, MapBuilder.of("registrationName", "onShouldStartLoadWithRequest"));
-    export.put(ScrollEventType.SCROLL.getJSEventName(), MapBuilder.of("registrationName", "onScroll"));
+    export.put(ScrollEventType.getJSEventName(ScrollEventType.SCROLL), MapBuilder.of("registrationName", "onScroll"));
     return export;
   }