layers: Fix memory aliasing false positives in core_validation
layers: Fix memory aliasing false positives in core_validation

Change-Id: I889a00132af4c6f8db944ed21f03290ee8f14063

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools