Move bench setup code to onDelayedSetup

Change-Id: I12f8c47e5ecc3d83763282243327840b233576f4
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/790038
Commit-Queue: Herb Derby <herb@google.com>
Auto-Submit: Brian Osman <brianosman@google.com>
Reviewed-by: Herb Derby <herb@google.com>
1 file changed