Merge changes Ic2357dcf,Iddf8c71a

* changes:
  Expose NetworkAgent constructor taking a NetworkScore parameter
  Expose NetworkScore to external caller
tree: 6bdda5e87513fe2ad8e1f906747ab487bf9051d1
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS
  7. TEST_MAPPING