Move bt_host_test_bta::bta::bta_pan_test => net_test_bta am: 35f7e9b5 am: 156ffda5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2829374



Change-Id: Ie099f0ac2b4dc255a9e6f866750d84897c0c4f66
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>