legacy: Use bta::dm::sec::get_btm_client_interface am: d59e9bea

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2811097



Change-Id: I7bec569b3c9c242b16c4611a758637083f19f50a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>