AudioSystem: onServiceDied check service match

It is conceivable though unlikely that the onServiceDied notification
may match a previous server death if the service restarts quickly.
Warn when unusual situations occur.

Flag: EXEMPT bugfix
Test: for run in {1..100}; do (sleep 8; echo $run; adb shell pkill audioserver); done
Test: atest CtsMediaAudioTestCases
Bug: 379427790
Change-Id: Ic86a4ce45c46162f47b4cf846a37fc281ad3b01b