Add simple Vulkan smoke test that doesn't use OpName

Add simple Vulkan smoke test that doesn't use OpName

Covers following places where glslang generates OpName by default:

 * Vertex and fragment shader user-defined inputs
 * Vertex and fragment shader user-defined outputs
 * Built-in vertex shader outputs
 * Struct type name
 * Struct member name
 * Local variable

Bug: 29054693
Bug: 28887585
Change-Id: I07c2f3cfc1306811100e9380bf6c68d53b8d1a14