Add HLSL compilation support and some tessellation tests.

Add HLSL compilation support and some tessellation tests.

Compilation of HLSL shaders is now supported by adding source code to hlslSources member of program collection.
HLSL shaders were added to tessellation.winding and tessellation.fractional_spacing tests to cover requirements
of VK-GL-CTS issue 334.

Affects:

dEQP-VK.glsl.*
dEQP-VK.tessellation.*
dEQP-VK.api.smoke.create_shader

Components: Vulkan

VK-GL-CTS issue: 334

Change-Id: I40ed8228cd17d922f64679272696451916f8bbc2