Fix some d3d ref counting.

Change-Id: I33704789b2eb6050fa36373a8e14451b338c5b45
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/281581
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
5 files changed