Merge "simpleperf: change default aux buffer size to 1M." am: f9c04779da am: a0f810f494 am: 2598fc7d80

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1990770

Change-Id: I87c796025478bb4fbd020cabbaebc7b76a810f03