Resolve multiple BT device switching and active device updates

This CL fixes issues found around device switching between multiple
BT devices (LE) where we reroute back into the same device. We should
exclude the BT address for the device which became inactive so
that it isn't selected in the base routing.

Bug: 372197811
Test: Manual log verification from QA test
Flag: com.android.server.telecom.flags.resolve_active_bt_routing_and_bt_timing_issue
Change-Id: Ie19342494687ec6b7cd80d598cc242c5a1a5e9fa