Add api to GrVkMemoryAllocator to return VkResult from allocate calls.

Change-Id: I344e5d70126cce210bb9fe442ae040d13ab74c2f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/298218
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Peng Huang <penghuang@google.com>
5 files changed