Add test for VK_KHR_get_memory_requirements2

Add test for VK_KHR_get_memory_requirements2

Update tests:
 * dEQP-VK.memory.requirements.buffer.*
 * dEQP-VK.memory.requirements.image.*

Rename tests (add .core subgroup):
 * dEQP-VK.memory.requirements.core.buffer.*
 * dEQP-VK.memory.requirements.core.image.*

Add tests:
 * dEQP-VK.memory.requirements.extended.buffer.*
 * dEQP-VK.memory.requirements.extended.image.*

Components: Vulkan

VK-GL-CTS issue: 391

Change-Id: I307bbf361d36d5f277ff70ce3204d67f8eb59871