Rename RecreateSKPs_Canary to RecreateSKPs_DryRun

Change-Id: Icc731852d3b9efdec70c649cfcc4b5c9a47bc584
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/312492
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
4 files changed