Disable retries for Build, CT, and Calmbench tasks.

Bug: skia:7621
Change-Id: I1f08ed816d6349abb5a2275f1cf103dc30af70ca
Reviewed-on: https://skia-review.googlesource.com/122640
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
Auto-Submit: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Ravi Mistry <rmistry@google.com>
2 files changed