Add public fields to NetworkScore and make it @SystemApi

Bug: 113554781
Bug: 146583853
Test: FrameworksNetTests
Change-Id: I19d965c0146196cb67b3417eb1790ccd90ce3233
8 files changed
tree: ab5277e327e00f29f3370932a6080797f5179f7b
  1. core/
  2. services/
  3. tests/