Move bt_host_test_bta::bta::bta_dm_test => net_test_bta am: b968476c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2829372



Change-Id: I1ef118b8441f54c106e7b3fe9f0a707337857195
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>