legacy: Use bta::dm::act::get_btm_client_interface am: 3e89475f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2797900



Change-Id: I70853eee3b6f3c7321da1f789e81d8fdedf9c027
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>