Enable non-standalone builds with dawn

Bug: skia:12276
Change-Id: Iaf7311fef43bd9c37bfc7b7a6221f6bea25f196d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/433696
Auto-Submit: Safa Sofuoglu <safasofuoglu@gmail.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Stephen White <senorblanco@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
2 files changed