Vulkan CTS 1.0.2.6 New tests: * Add tests for VK_KHR_bind_memory2 * Add tests for VK_KHR_maintenance2 * Add tests for VK_KHR_image_format_list * Add tests for VK_KHR_sampler_ycbcr_conversion Fixes: * Change required sample counts for storage images * Fixup some missing/incorrect flushes and invalidates * Make create_buffer test use platform limits * dEQP-VK.geometry: use proper layout for sampling the image * Fix flakiness in mailbox.display_timing * Add more allowed 'dot' alternatives * Keep buffer memory alive through BufferView creation * Fix combined depth/stencil clear colors. * Fixed incorrect calculation of GCD * Fix layout transition for WSI tests * Respect sampleRateShading availability in interpolate tests * Fix regressions in synchronization tests for dedicated allocations * Respect maximum workgroup count in SpvAsmInstructionTests * Sparse buffer test: allocate memory in one big chunk