Add bot which builds without DEPS

Bug: skia:7646
Change-Id: Iddf55940230c99fea9d838a1b03a8c3bb476262e
Reviewed-on: https://skia-review.googlesource.com/109360
Commit-Queue: Eric Boren <borenet@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
15 files changed