Merge "simpleperf: add boot-record command." am: 17fc71870f am: c62bafaa38 am: 4ee93ca595

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1950976

Change-Id: I8b7e04be4c2b24b4d56d1fbd5efb1922b9c84774