Merge "simpleperf: sign darwin executables when testing." am: 3d010d726d am: cc3514332c

Original change: https://android-review.googlesource.com/c/platform/system/extras/+/2045743

Change-Id: I0110cac8fba34f8e298c71a5c64f72640e2b56ec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>