Apply Nullsafe FIXMEs for xplat/js/react-native-github/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/JSDebuggerWebSocketClient.java

Summary:
Note this diff is only adding FIXMEs that will be removed in the next diff. This diff exists to make the next diff easily reviewable

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D71126392

Author: GijsWeterings

packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/JSDebuggerWebSocketClient.java

@@ -210,6 +210,7 @@ public void onMessage(@Nullable WebSocket webSocket, String text) {
   }
 
   @Override
+  // NULLSAFE_FIXME[Inconsistent Subclass Parameter Annotation]
   public void onFailure(WebSocket webSocket, Throwable t, Response response) {
     abort("Websocket exception", t);
   }