Merge "Clear counters and delete tag data from NetworkStatsService." am: d2e67f24d0 am: ab2503527d am: f28151e309 am: b1a3e457c7

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

Change-Id: I3441101cd1500f2ea13efe000786e2d4a6e87f3a
tree: a6e4d9c692a00643be73b1589904dd9d22930ec3
  1. framework/
  2. framework-t/
  3. service-t/
  4. services/
  5. tests/