Added implementation for VTI add/remove address

This change adds implementation details for add/remove addresses onto a
VTI.

Bug: 73675031
Test: New tests added, passing on Walleye
Change-Id: Idde9d943a5285d2c13c5c6b0f7b8a9faf718e6a5
2 files changed
tree: 4a84c085c9537e7d354024ac137b8b9b1863036c
  1. core/
  2. services/
  3. tests/