Revert "Move Vulkan DebugCallback code into tools."

This reverts commit d4b2adeaa929edd1664754ac6621ec524992ef03.

Reason for revert: Need to revert earlier changes cause of fucshia

Original change's description:
> Move Vulkan DebugCallback code into tools.
> 
> Bug: skia:
> Change-Id: Ib356200e86e54f9ff0ba16396874e6fd10cf0465
> Reviewed-on: https://skia-review.googlesource.com/137424
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>

TBR=egdaniel@google.com,jvanverth@google.com,bsalomon@google.com

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: skia:
Change-Id: I38d4e71dc29c6503f92712be54e22c58956498c5
Reviewed-on: https://skia-review.googlesource.com/137902
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
8 files changed