Merge "Add prebuilt_etc module (bt_controller_properties) for controller...

Merge "Add prebuilt_etc module (bt_controller_properties) for controller properties." am: 435820b3 am: 947c583e am: 1dca5c06

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1854234

Change-Id: I8737cae7a2ce84ab8db1afa6182f9ecdfdff66ab