Revert "[audio] Fix AudioRecordingMonitorImpl leak"

This reverts commit 0503b823.

Reason for revert: Droidmonitor created revert due to b/441693602. Will be verifying through ABTD before submission.

Fix: 441693602
Bug: 432245274
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:6cea280194e7f9a706c46413b51daa9254f67561)
Merged-In: I5e3d9772a13cfdb8fe69be4a09dc59b78eb6885f
Change-Id: I5e3d9772a13cfdb8fe69be4a09dc59b78eb6885f