Migrate Slog usage in MultinetworkPolicyTracker to Log

Connectivity mainline module cannot use hidden API so
replace Slog with Log which is a public API.

Test: FrameworksNetTests
Change-Id: I8758079cf635ff4ab218df53c0f7bf6fc23ce476
1 file changed
tree: 9f3c47b887c5ae1bad8c086947080fa25f18e8d7
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS