Add btle_name attribute to devices (home-assistant#19915)

* Update googlehome.py

Added name from bluetooth device to attributes

* Update homeassistant/components/device_tracker/googlehome.py

Check if key exists before assigning name

Co-Authored-By: cliffordwhansen <clifford@nighthawk.co.za>

homeassistant/components/device_tracker/googlehome.py

@@ -89,5 +89,7 @@ async def async_update_info(self):
                 devices[uuid]['btle_mac_address'] = device['mac_address']
                 devices[uuid]['ghname'] = ghname
                 devices[uuid]['source_type'] = 'bluetooth'
+                if device['name']:
+                    devices[uuid]['btle_name'] = device['name']
         await self.scanner.clear_scan_result()
         self.last_results = devices