Merge changes Id7ee1bd3,I5ea44a94 into sc-dev

* changes:
  [NS08] Expose public NetworkScore API
  [NS07] Add the rest of the scoring policy
tree: 230c04067248982f0c73e7f9d3c396d71c43aee4
  1. framework/
  2. service/
  3. OWNERS
  4. TEST_MAPPING