Merge "[MS59.3] Expose NetworkStatsDataMigrationUtils" am: 8de5088578 am: e156948ba1 am: ea3eef06bb am: 675c4de2c8

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1961599

Change-Id: Ie96aa4f519816b3c76f6f9e4dc2400070f4d326b
tree: 35bdf4125b4f10efc79b1f37047c6e0bd6fdd00b
  1. framework/
  2. framework-t/
  3. service-t/
  4. services/
  5. tests/