header: Move vulkan.h to version 1.0.25
header: Move vulkan.h to version 1.0.25

Change-Id: I2ad2c33c720f992953e8d5886dc2c55ad789fe83

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