Revert "Revert "AudioAttributes: add SPEAKER_CLEANUP to system u..."

Revert submission 30183828-revert-30116824-spkr_cleanup-LPPERYPFDP

Reason for revert: CarService unit test fixed in ag/30200827

Reverted changes: /q/submissionid:30183828-revert-30116824-spkr_cleanup-LPPERYPFDP

Change-Id: I770d51f0517edef405ca493413d78f9d44c7cf6f
3 files changed