Merge changes from topic "sp31" into sc-dev am: 3345125c08

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/13981692

Change-Id: I57b66ee7a3e0a3a44a807253e78607c5737cef30
tree: d805f4bdaa8f38583c4502107dc1235e57846afb
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING