update bots after renaming bench

See https://skia-review.googlesource.com/c/21407/

Bug: skia:
Change-Id: I94e34d1058c187d1f183aecedf6f33db2a6baad6
Reviewed-on: https://skia-review.googlesource.com/21527
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2 files changed