Fix TestHeapSizeLimit to work on Radeon R7 APU with 256 MB of DEVICE_LOCAL memory
Fix TestHeapSizeLimit to work on Radeon R7 APU with 256 MB of DEVICE_LOCAL memory

GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator,GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator,GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator