Fix validation errors in pipeline tests

Fix validation errors in pipeline tests

All validation errors found in dEQP-VK.pipeline.* were fixed.

Affects:

dEQP-VK.pipeline.stencil.*
dEQP-VK.pipeline.blend.*
dEQP-VK.pipeline.image.*
dEQP-VK.pipeline.sampler.*
dEQP-VK.pipeline.multisample.*
dEQP-VK.pipeline.vertex_input.*
dEQP-VK.pipeline.input_assembly.*
dEQP-VK.pipeline.timestamp.*
dEQP-VK.pipeline.cache.*
dEQP-VK.pipeline.render_to_image.*
dEQP-VK.pipeline.framebuffer_attachment.*

Components: Vulkan

VK-GL-CTS issue: 1057

Change-Id: I494ee517dbba529957593577f3927937fdab37a2