Merge branch '263-sparse-resources-tests' into 'vulkan-cts-1.0-dev'

Merge branch '263-sparse-resources-tests' into 'vulkan-cts-1.0-dev'

Sparse Resources Tests

Tests for Sparse Resources:

1. Test fully resident buffer created with VK_BUFFER_CREATE_SPARSE_BINDING_BIT flag bit
2. Test fully resident image created with VK_IMAGE_CREATE_SPARSE_BINDING_BIT flag bit
3. Test partially resident buffer created with VK_BUFFER_CREATE_SPARSE_RESIDENCY_BIT flag bit
4. Test partially resident image created with VK_IMAGE_CREATE_SPARSE_RESIDENCY_BIT flag bit
5. Test partially resident image with mipmaps, put some mipmap levels in mip tail region
6. Test memory aliasing for fully resident buffer objects

See merge request !405