Dump counters in "dumpsys tethering bpf". am: 4e92da06fa am: e033a1e543 am: 7081e9f184

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1575051

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7d74c663b554f5f6f1562d4e6dc2a13f67adb9c0
tree: 801783a1dfc109203ce12d8bb8b67bd10eb70d70
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING