tint/run-cts: make dump-shaders also disable symbol renaming

Change-Id: If9e0db103135e3c7c7928a91f6995c56938bec3d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/121040
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

tools/src/cmd/run-cts/main.go

@@ -234,7 +234,7 @@ func run() error {
 		flags = append(flags, "disable-dawn-features=disallow_unsafe_apis")
 	}
 	if dumpShaders {
-		flags = append(flags, "enable-dawn-features=dump_shaders")
+		flags = append(flags, "enable-dawn-features=dump_shaders,disable_symbol_renaming")
 		verbose = true
 	}