Merge "Clear counters and delete tag data from NetworkStatsService." am: d2e67f24d0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1962922

Change-Id: I124edaa4087280a66403bb0b6d8000b34aa73e37
tree: 61f02e253b4d873d090f491cb8cb29d047d790e9
  1. framework/
  2. framework-t/
  3. service-t/
  4. services/
  5. tests/