Merge "Put tether/untether calls into handler queue" am: 2576c457de am: 0ea3966a88

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1535794

Change-Id: If849ee52573b9cf0d5edd7fc81e2f285bd067305
tree: 1535e0860d6bf7de2472a83840a61ca81163835e
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING