vulkan: update Vulkan headers to 1.0.42

Test: mmm frameworks/native/vulkan
Change-Id: I9c41b483fbf48a7404b54bfe405c40b58422ea74
diff --git a/vulkan/api/platform.api b/vulkan/api/platform.api
index c475edb..eb0124d 100644
--- a/vulkan/api/platform.api
+++ b/vulkan/api/platform.api
@@ -50,6 +50,7 @@
 @internal type void* HWND
 @internal type void* HANDLE
 @internal type u32   DWORD
+@internal type u16*  LPCWSTR
 @internal class SECURITY_ATTRIBUTES {}
 
 // VK_USE_PLATFORM_XLIB_XRANDR_EXT