Ensure the Vulkan fuzzer uses SwiftShader

Some bug reports have come in using lavapipe which is not a conformant
Vulkan implementation that we care about fuzzing.

Bug: chromium:1330453, chromium:1330389
Change-Id: I219103c30ca30702c8f3ccd6eebe87b90a10b6d2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92121
Auto-Submit: Austin Eng <enga@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>

src/dawn/fuzzers/DawnWireServerAndVulkanBackendFuzzer.cpp

@@ -15,6 +15,7 @@
 #include <vector>
 
 #include "DawnWireServerFuzzer.h"
+#include "dawn/common/GPUInfo.h"
 #include "dawn/native/DawnNative.h"
 #include "testing/libfuzzer/libfuzzer_exports.h"
 
@@ -29,8 +30,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
             wgpu::AdapterProperties properties;
             adapter.GetProperties(&properties);
 
-            return properties.backendType == wgpu::BackendType::Vulkan &&
-                   properties.adapterType == wgpu::AdapterType::CPU;
+            return gpu_info::IsGoogleSwiftshader(properties.vendorID, properties.deviceID);
         },
         true /* supportsErrorInjection */);
 }