Update vulkan ranges to be 0 to 1 for all z values

The spec has been updated to require setting the range for z/depth values
to be 0-1 when the image is 2D instead of just ignoring the field as before.

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4308

Change-Id: Ic054ee732472cd9c69f7197fd62cb0cb4f2b26ce
Reviewed-on: https://skia-review.googlesource.com/4308
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
1 file changed