Store protectedness on GrVkImageInfo.

Changes the GrBackendSurface to not take it separately.

Change-Id: I5eb9684da1532907e7833e9d7835a74d1e71f5ca
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/228396
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
8 files changed