Merge "Reapply "simpleperf: refactor code setting sample rate"" into main am: b3bc35b9bb

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2794972

Change-Id: Ica0ed8ae634895d15263399c911af47a3a1b0533
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>