Add visibility to simpleperf am: 1ae0b70c04

Original change: https://android-review.googlesource.com/c/platform/external/zstd/+/3163793

Change-Id: Iabb2d163e0ea5aa10b1d862ae42879e067958b6b
Signed-off-by: Automerger Merge Worker <[email protected]>