Update bluez to 5.50
Changelog:
- Fix issue with GATT and reading long values.
- Fix issue with GATT and reading multiple includes.
- Fix issue with GATT and service changes when offline.
- Fix issue with handling secondary service discovery.
- Fix issue with handling persistency of CCC values.
- Fix issue with handling Mesh session on disconnection.
- Fix issue with handling Mesh proxy PDU SAR message length.
- Fix issue with handling Mesh default heartbeat TTL value.
- Add support for Mesh node-reset operation handling.
- Add support for GATT authorization request handling.
- Add support for GATT minimum key size requirements.
- Add support for GATT server and included services.
- Add support for handling additional advertising data.
- Add support for handling separate discoverable state.
- Add support for enabling HFP version 1.7 features.
- Add support for dedicated Bluetooth logging daemon.