Merge "Remove public visibility of bluetooth impl" into tm-dev am: 742c3ea4 am: 65be44d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/17970091



Change-Id: Id3652a0457baa3ce8b2bf01316bd80fb1046b9e0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>