Merge "Adding bt apex" am: 23a3442ab2

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1971824

Change-Id: Icb0bd52addd545879d716249ffcf6dbc38805c40
tree: f71156d1a1009422123634fa6f5ace538677bab1
  1. client-libs/
  2. common/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING