Merge "mm_events: Add knob to remove mm_event tracing instance" into sc-dev am: 7089fbbfe5 am: 28b7319b50

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/15404710

Change-Id: I6430a88ef88eb42ad022f1c8482866ffc0b97f5b