Merge "Docs: Adds validation-layer material to new Vulkan doc set" into mnc-docs
am: b94ea2c

* commit 'b94ea2ca4591eb7749dff4cc1af5b04fa8500dba':
  Docs: Adds validation-layer material to new Vulkan doc set

Change-Id: Id3e229296dff2c90c07a3c905cc20379ec887a14