Fill in d3d program desc with d3d specifics.

This desc will allow us to add a pipeline state cache for d3d.

Change-Id: I0cdf4166e7253df1c184f81a883878e707b77f36
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/286956
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
7 files changed