Fuchsia is looking to remove the ZX_WAIT_ASYNC_ONCE constant, and our copy of GoogleTest still has it. As usually with GoogleTest updates, our old local patch is no longer necessary, but now we need a new one. Change-Id: I8d226f01cf0951fd278605688684bf1ce3e17898 Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/44884 Reviewed-by: Adam Langley <agl@google.com> Commit-Queue: David Benjamin <davidben@google.com>