[NS A24] Add an object to represent changes in assignment

Reupload of I703db6d3f039bd67a90fad0eadffc6cfed9a50ee

Test: ConnectivityServiceTest
Change-Id: I9ef468a17ebcfa684e5614b25dc06fc67eb71c79
1 file changed
tree: 86281790ce5b64f1f7024f1a5bdbcbde20442bec
  1. core/
  2. services/
  3. tests/