Merge "Allow the network stack to read network stats history" am: 7e4a864f60

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1450457

Change-Id: Ia7a7fdbb57f44ef9ad74d3c1dcb6a273bbb6baf8
tree: 34dfc0a07a103ceb000029f68f03484f9e0b6908
  1. core/
  2. packages/
  3. services/
  4. wifi/