Merge "Test conntrack event monitor on R" am: d5f07c1243 am: 4c9bfb1fbd am: 9788c4a2e6

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1639707

Change-Id: Iff25e4df195abb02ca8e7b94decaaa404f742652
tree: a7cc808a9eb0fdaddf7193396eb53d15a9b1a437
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING