Apply Nullsafe FIXMEs for xplat/js/react-native-github/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/devsupport/CxxInspectorPackagerConnection.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: D71126390

Author: GijsWeterings

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

@@ -39,6 +39,7 @@ private static native HybridData initHybrid(
 
   public native void closeQuietly();
 
+  // NULLSAFE_FIXME[Inconsistent Subclass Parameter Annotation]
   public native void sendEventToAllConnections(String event);
 
   /** Java wrapper around a C++ IWebSocketDelegate, allowing us to call the interface from Java. */