[infra] Fix RecreateSKPs after assets update

Change-Id: I13ae7034cda4291743f433406ee2e8267dd48d3e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/416576
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
16 files changed