Add SPIR-V Invariant decoration tests

Add SPIR-V Invariant decoration tests

Migration of the OpenGL Invariant decoration tests to Vulkan.
Modified structs and classes from vktDrawUtil.hpp so that they
may perform more than one rendering at once.

New tests:
dEQP-VK.glsl.invariance.*

Affects:
dEQP-VK.clipping.*
dEQP-VK.glsl.builtin_var.*
dEQP-VK.ycbcr.query.*

Components: Vulkan Framework

VK-GL-CTS issue: 2007

Change-Id: I0774f50c5a818b9ce4d012e4a1be5fdc1cbabb63