Vulkan CTS 1.2.3.1 New tests: * Add tests for VK_EXT_fragment_density_map2 * Add tests for VK_EXT_private_data Fixes: * Avoid need for shaderOutputViewportIndex * Enable unused AllocationCallbackRecorder * Robustness2 features are enabled by default * Move texture parameter checking to checkSupport() * Fix minor VU issue with VK_EXT_extended_dynamic_state * Fix multiview dependency access mask for depth stencil attachments * Add missing barriers from device to host read access * Linux WSI checks the WS availability on create * Add calls to touchWatchdog()