Add some vk 1.3 extension strings

Note: nVidia has a driver bug with vkGetPrivateData. But swiftshader
works fine.

Bug: 303492134
Bug: 300108478
Test: dEQP-VK.wsi.direct_drm.swapchain.private_data*
Test: dEQP-VK.synchronization2*
Change-Id: I97ede6f9e05bbf324965f31ea483e9b0c59e7159
diff --git a/guest/vulkan_enc/ResourceTracker.cpp b/guest/vulkan_enc/ResourceTracker.cpp
index 228c70b..cc91770 100644
--- a/guest/vulkan_enc/ResourceTracker.cpp
+++ b/guest/vulkan_enc/ResourceTracker.cpp
@@ -1940,6 +1940,9 @@
         "VK_KHR_create_renderpass2",
         "VK_KHR_imageless_framebuffer",
 #endif
+        // Vulkan 1.3
+        "VK_KHR_synchronization2",
+        "VK_EXT_private_data",
     };
 
     VkEncoder* enc = (VkEncoder*)context;