Fix the Chinese windows system encoding problem.

Bug: dawn:1532

Change-Id: I01d72f07c304c1ac058f58cfc004d5e8595dc7e4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/102220
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

CMakeLists.txt

@@ -329,6 +329,10 @@ function(common_compile_options TARGET)
       target_link_options(${TARGET} PUBLIC -fsanitize=undefined)
     endif()
   endif(COMPILER_IS_LIKE_GNU)
+
+  if(MSVC)
+      target_compile_options(${TARGET} PUBLIC /utf-8)
+  endif()
 endfunction()
 
 if (${DAWN_ENABLE_TSAN})