Use LUCI trybots in update_meta_config

Bug: skia:
Change-Id: If7f9f3f4f79544484eb0fb406fea6772a9ca7722
Reviewed-on: https://skia-review.googlesource.com/c/171909
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
1 file changed