[mesa] Migrate dirent test to Open3

Bug: 376575307
Change-Id: I6e944b588a8371ab5d00895b50c0c69634aa602f
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/mesa/+/1199505
Commit-Queue: Brandon Castellano <bcastell@google.com>
Reviewed-by: Craig Stout <cstout@google.com>
1 file changed