Add --runtimeCPUDetection to nanobench

Change-Id: I9bce6d26993a3f6497ea1395496e960c733af271
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/814698
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
1 file changed