bt: make VINTF target level specify by device am: a6981d1892

Original change: https://googleplex-android-review.googlesource.com/c/device/google/gs-common/+/23122682

Change-Id: Idd29dbfcccd82265f9b6ffcee7ef914cf36bf051
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>