Modify the bt_vendor.conf to enable CHRE Bluetooth Feature
Bug: 285255519
Test: Enable Bluetooth, make sure it will go the AOC path.
Change-Id: I14f29d82bb115d8ca48361a5d2fd118295eb5a41
Let AOC control BT power pin at specific hardware stages
Test: make and check BT CHRE power control command
Bug: 281793463
Change-Id: I13b208fb021dff220ce09f2e8cf58791ce89ae80