Revert "AudioAttributes: add SPEAKER_CLEANUP to system usages"

Revert submission 30116824-spkr_cleanup

Reason for revert: DroidMonitor: Potential culprit for http://b/376600163 - verifying through ABTD before revert submission. This is part of the standard investigation process, and does not mean your CL will be reverted.
Reverted changes: /q/submissionid:30116824-spkr_cleanup

Change-Id: I6499283f2d9c78d4e8a26d176ea8653d50f882b1
3 files changed