The medium abstraction layer does not prepopulate the advertisement_bytes ByteArray with Copresence Service UUID. This adds it at the platform impl layer.
PiperOrigin-RevId: 450054877
This CL implements the BLE V1 Medium and its corresponding unit tests:
- Start/Stop Advertising
- Start/Stop Scanning
- Receive BLE Advertisement callbacks handler
- BLE Advertisement Publisher/Watcher status callbacks handler
PiperOrigin-RevId: 449824666