Don't send spurious onAvailable NetworkCallbacks when rematching

Bug:21762680
Change-Id: Ia701045dffc666fe75fba0e1771872147e37179a
3 files changed
tree: dfc322d4b0f0db8e83fd57771d9e2ea8ffe21826
  1. core/
  2. services/
  3. tests/