Merge "simpleperf: Add doc for trying the latest builds" am: 4f8ae9fda2 am: 9d0e3559d8 am: 5cce791243

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

Change-Id: I814632e7d7a0d86fd48beeee517ee4d259f52a5f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>