Merge changes from topic "am-5ce58db354ac494a84904378ca35c013-rvc-dev" into rvc-dev

* changes:
  [SP26] add CTS for NetworkStats
  [SP26.2] add a method in NetworkStats that removes empty entries
tree: fead96ebbd8aeb267c586f26936543f2d3b26610
  1. core/
  2. services/
  3. tests/