Implement the VK_KHR_swapchain_mutable_format device extension in the vulkan loader

Add an implementation for the VK_KHR_swapchain_mutable_format extension.

Test: Stepped through changes in debugger
Test: Ran sample app with VVL which used the extension
Test: Ran dEQP-VK.image.swapchain_mutable.android.* dEQP tests
Flag: com.android.graphics.libvulkan.flags.swapchain_mutable_format_ext
Bug: 341978292
Change-Id: Ib0e5b9f750cd5a94ab65419542898db207716fcc
diff --git a/vulkan/libvulkan/driver_gen.cpp b/vulkan/libvulkan/driver_gen.cpp
index 8f09008..f741977 100644
--- a/vulkan/libvulkan/driver_gen.cpp
+++ b/vulkan/libvulkan/driver_gen.cpp
@@ -26,6 +26,9 @@
 namespace vulkan {
 namespace driver {
 
+/*
+ * This file is autogenerated by driver_generator.py. Do not edit directly.
+ */
 namespace {
 
 // clang-format off
@@ -613,6 +616,7 @@
     if (strcmp(name, "VK_KHR_external_semaphore_capabilities") == 0) return ProcHook::KHR_external_semaphore_capabilities;
     if (strcmp(name, "VK_KHR_external_fence_capabilities") == 0) return ProcHook::KHR_external_fence_capabilities;
     if (strcmp(name, "VK_KHR_external_fence_fd") == 0) return ProcHook::KHR_external_fence_fd;
+    if (strcmp(name, "VK_KHR_swapchain_mutable_format") == 0) return ProcHook::KHR_swapchain_mutable_format;
     // clang-format on
     return ProcHook::EXTENSION_UNKNOWN;
 }