Merge "simpleperf: Do more checks when reading aux data." am: ef7c750931 am: d4e01d327d am: d1c1220028

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2421380

Change-Id: I5fb8b8211802fa6d72b764d820c7201747a3de2f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>