Expose NetworkScore to external caller

NetworkScore will be a part of mainline module, so the external
callers cannot call its hidden APIs. Expose needed APIs to
the external callers.

CTS-Coverage-Bug: 182963397
Bug: 182963397
Test: m
Change-Id: Iddf8c71a5f51a40bc6ff78626b3e8ee530d1b7eb
2 files changed
tree: 034bf79287ffd389867919f6e36f0faaabb6d4ea
  1. framework/
  2. service/
  3. OWNERS