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

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

Change-Id: If90d37f3d4159006d014585f79b9a4258164bde9