[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
Bug: 241962982
Test: atest pts-bot
Ignore-AOSP-First: Cherry-picked from AOSP
Merged-In: Ia44b4a7b71b3ee9345e9d31ad40efc0e532a2712
Change-Id: Ia44b4a7b71b3ee9345e9d31ad40efc0e532a2712