Add SwiftShader to DEPS.

Bug: skia:7671
No-Try: true
Change-Id: Ib41428b5c3ed8d6655fac38e525014663ce85817
Reviewed-on: https://skia-review.googlesource.com/121357
Commit-Queue: Hal Canary <halcanary@google.com>
Auto-Submit: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
1 file changed