Floss: Add remote device modalias in btclient

This adds information of remote modalias to align with what we have in
BlueZ

Bug: 358274535
Bug: 358019778
Tag: #floss
Test: mmm packages/modules/Bluetooth
Test: btclient device info {MAC_ADDR}
Flag: EXEMPT, Floss-only changes
Change-Id: Idc88e2c265fb0f69de0aeaace8cc3e06b28c7032