Merge "[MS59.3] Expose NetworkStatsDataMigrationUtils" am: 8de5088578

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

Change-Id: Ia1f7f14a2b53876530c394ade949fc8847eab806
tree: 63bf13bbfb0a6d42c8af2a661c51f029b26d5cb6
  1. framework/
  2. framework-t/
  3. service-t/
  4. services/
  5. tests/