Adding a BUILD.bazel file to the root to make bazel ... happy.
Adding a BUILD.bazel file to the root to make bazel ... happy.

PiperOrigin-RevId: 273977659

google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,google/iree,iree-org/iree,google/iree