add package-info.java files where missing - XML [INT-2371]

[spring-operator]

Gunnar Hillert opened INT-2371 and commented

---

Affects: 2.1 RC2

This issue is a sub-task of #6341

Issue Links:

• add package-info.java files where missing - XML [INT-2385] #6337 add package-info.java files where missing - XML
  ("duplicates")