Merge "simpleperf: update simpleperf prebuilts to build 8121221." am: 01e8f044c4 am: 18c2d33b4c am: d537b78120

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/1963680

Change-Id: Id78c98e8c94a99054976cb52613ba3ae63eb2e1c