Merge "simpleperf: Add doc for trying the latest builds" am: 4f8ae9fda2

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2426553

Change-Id: I1bb73fde1223bca29f034d48ee611b420c06ab0b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>