[automerger skipped] Merge "Add unit test for NetworkStatsSubscriptionsMonitor" am: 0543f2328d am: 032d132e50 -s ours

am skip reason: Change-Id I4ef3f1ab2e5ea1322133edd80db3ccd0022e9c91 with SHA-1 a8eab54eee is in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1298476

Change-Id: I11b25c0832d6959e77bbabbfce53cdedce922279
tree: 83e1799959b5ec54b5258f87f6a48d9d53d9276d
  1. core/
  2. services/
  3. tests/