layers: Fix layer documentation so that it can be auto-validated
layers: Fix layer documentation so that it can be auto-validated

Validator currently requires each table entry to be on a single line. Fixing a couple of multi-line entries.

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools