[automerger skipped] [BOT.3] Add unit test for polling network stats in the coordinator am: 6442858f9d am: a2f02c617e -s ours

am skip reason: Change-Id Ib1756159a2047c5db7d31359b0f288f840bd1bb1 with SHA-1 6442858f9d is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11818379

Change-Id: Idec97ca9bda2f0f1d35605a58cfd480ef289b087
tree: a518310cfc6bcf99ea9569a5f45126fe4586fc3e
  1. Tethering/