[infra] Isolate tasks don't need compile task.

No-Try: true
Change-Id: I4372c50b183d040e5145ac3ca665cd813da6256a
Reviewed-on: https://skia-review.googlesource.com/19497
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
1 file changed