VkPhysicalDeviceVulkan1{1,2}Features in framework

VkPhysicalDeviceVulkan1{1,2}Features in framework

Use VkPhysicalDeviceVulkan11Features and
VkPhysicalDeviceVulkan12Features in DefaultDevice chain.
This change also adds Context::isDeviceFunctionalitySupported and
Context::isInstanceFunctionalitySupported methods that checks if
extension are available and if proper feature bit are set (when
needed).

Components: Framework

VK-GL-CTS issue: 2005

Affects:
dEQP-VK.*

Change-Id: I81cf677fe46ae5bd870fde37253e97bdfcc4ae3a