Revert "MessageQueue: Add flag for tail tracking optimization"

Revert submission 25706335-message_queue_tail_tracking

Reason for revert: <Test Revert b/318606175>

Reverted changes: /q/submissionid:25706335-message_queue_tail_tracking

Change-Id: Ie3e80752e4523c3e79cb2023b44d81e249f6cc84
1 file changed