lambda_event_listener.h: change path to firestore_errors.h include to see if it fixes build errors in CI: lambda_event_listener.h:23:10: fatal error: 'firebase/firestore/firestore_errors.h' file not found

Author: dconeybe

firestore/src/android/lambda_event_listener.h

@@ -20,7 +20,7 @@
 #include <functional>
 
 #include "app/meta/move.h"
-#include "firebase/firestore/firestore_errors.h"
+#include "Firestore/core/include/firebase/firestore/firestore_errors.h"
 #include "firestore/src/common/event_listener.h"
 
 namespace firebase {