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

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

Change-Id: I03cd062de57daef8739aadb1fa44e7966373b1a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>