Use the updated local Debian 9 bots

Bug: skia:6612
Change-Id: I569eae4643802a5f081da028bc21addeda48679b
Reviewed-on: https://skia-review.googlesource.com/21160
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
3 files changed