Do non-deterministic FP opt testing on all bots

Bug: skia:6395
Change-Id: Ic5065bfc91cac83495836cd6d2a7cc059423c96e
Reviewed-on: https://skia-review.googlesource.com/13412
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
16 files changed