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

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

Change-Id: I57138e3b0208b977820cfbbe39474fc7b0bf57de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>