Merge "simpleperf: find tools in clang prebuilts." am: 200df5e5f3 am: 4ffa95d727

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1684314

Change-Id: I9ed9a8b2e9817ee3e83e4e5eca02d7f2bf71f8dd