Fix winding order in some of the ray-tracing builtin tests

Fix winding order in some of the ray-tracing builtin tests

The tests define a series of quads made of triangles with opposite
winding orders.  This change fixes them so that all triangles are
counter-clockwise.

Components: Vulkan
VK-GL-CTS issue: 2454
Affects:
    dEQP-VK.ray_tracing_pipeline.builtin.worldrayoriginext.*
    dEQP-VK.ray_tracing_pipeline.builtin.worldraydirectionext.*
    dEQP-VK.ray_tracing_pipeline.builtin.objectrayoriginext.*
    dEQP-VK.ray_tracing_pipeline.builtin.objectraydirectionext.*
    dEQP-VK.ray_tracing_pipeline.builtin.objecttoworldext.*
    dEQP-VK.ray_tracing_pipeline.builtin.worldtoobjectext.*

Change-Id: Ieed1a71b26b7e81ec2de932a209061ecfd91ab66