Merge "Delete bluetooth.h" am: 33d6b957e5 am: fd5c609420 am: f1b4cc6602

Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware/+/2517798

Change-Id: I3e8d0d66d27a4e2c2de730b848c04cea7bdfb4fb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>