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

This reverts commit c375dccad3b164251b49f44267423cf0640209d7.

Reason for revert: Toggling wifi on/off causes networking to
 stop working with these four patches applied.
Bug: 146230156

Change-Id: Ie0217796c89abf0dc86e6a4f8324811155dc57cd
1 file changed
tree: 556286ac914836cfb7502f7ac1b619d694ad2dc2
  1. core/
  2. services/
  3. tests/