[automerger skipped] [BOT.3] Add unit test for polling network stats in the coordinator am: 6442858f9d am: a2f02c617e -s ours am: 8d4bbf4f2f -s ours am: c54a0c2a93 -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: Idd30eb2bd0e5070c462e1d72695bba8fd5243f82
tree: 0a113a62c525913293638f3749c391f614dcf26f
  1. Tethering/