BLE Adapter Manager Interface

BT manager for BLE adapter, provide GAP API functions that are specific to BLE.

Before calling pxRegisterBleApp, common GAP need to be enabled and started. Flow of the functions:

1. pxBleAdapterInit
2. pxRegisterBleApp
3. Get the GATT interface to initialize GATT.

The standard BLE device management interface is represented by BTBleAdapter_t

The BLE device management callbacks can be found here BLE Adapter Manager Callbacks