Reorganize the code for checking auth requirement am: 916b6d38 am: f32dab18

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/24704938



Change-Id: I8be6488cf53fcb32e73ca879ad20e5b5c87e2438
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>