[infra] Trim down isolate for recipe bundle

Change-Id: Ic6da2d71b4e45fe67bc32942a87d41426bc9d05b
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/224189
Reviewed-by: Ben Wagner aka dogben <benjaminwagner@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
3 files changed