In Vulkan, use 1000 for maxLod instead of maxMipLevel when using mips.

This has the side effect of making samplers in Vulkan only dependent on
the sampler state and not the texture size.

Bug: skia:
Change-Id: I03ccc2c2faead4a1e10b9dd1e5d5885a9d672cc5
Reviewed-on: https://skia-review.googlesource.com/c/173103
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
6 files changed