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

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

Change-Id: I053f9e871336a8a3b52109e4dda83faba50de7cb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>