Move bt_host_test_bta::bta::bta_gatt_test => net_test_bta am: 7b037c1c am: ec118c73

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2829373



Change-Id: I946b3f66bfd2d4e643b532b1366a8e0a149e9e44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>