[NS A26] Move available callbacks out of the rematch computation

Bug: 113554781
Test: ConnectivityServiceTest
Change-Id: I3a804a9f6eaf50a3995eaaf6469a1c2b9387be14
1 file changed
tree: 374a00fa5e8b4aad9a93d8e26ae92c1e0025d02d
  1. core/
  2. services/
  3. tests/