Merge "Revert "Pivot network statistics to use DataInput/Output."" am: 362c825b3a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1948916

Change-Id: I0f50460688b434522476a2160f3884e897dafad6
tree: 65f37b5713d07a544d8f8ab093d26120c5f03276
  1. core/
  2. framework/
  3. framework-t/
  4. service-t/
  5. services/
  6. tests/