Handle failure to create VkRenderPasses in vulkan backend.

Bug: skia:9603
Change-Id: I8c56f399d58b109d163ff69b654d07edbc44dde0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/253497
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
7 files changed