consolidate processing for sub runs multiple formats

Change-Id: Ief27a4a8051485bed20e1a5312457e778cb28171
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/482007
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Herb Derby <herb@google.com>
2 files changed