[PANDORA_TEST] Update host method to use a device

Android interface is made with BluetoothDevice in mind. We should
interact with it using this data type instead of an address. This CL
remove the usage of any address to directly use a BluetoothDevice.

Bug: 237447510
Test: atest pts-bot
Change-Id: Ia44b4a7b71b3ee9345e9d31ad40efc0e532a2712