Merge "simpleperf: Check device connection in app_profiler.py" into main am: 2dc37afe5e

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2703875

Change-Id: I501a3ff049955d866605b179a7bdadb87514019e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>