Re-sync with internal repository (pytorch#468)

Co-authored-by: Facebook Community Bot <[email protected]>

fbgemm_gpu/defs.bzl

@@ -0,0 +1,23 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+# All rights reserved.
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+
+def get_fbgemm_gpu_wrapper_srcs():
+    return [
+        "src/embedding_wrappers.cu",
+        "src/quantize_wrappers.cu",
+        "src/sparse_wrappers.cu",
+    ]
+
+def get_fbgemm_gpu_public_headers():
+    return [
+        "include/fbgemm_gpu/batched_unary_embeddings.cuh",
+        "include/fbgemm_gpu/bench_utils.cuh",
+        "include/fbgemm_gpu/cuda_utils.cuh",
+        "include/fbgemm_gpu/embedding_wrappers.cuh",
+        "include/fbgemm_gpu/quantize_ops.cuh",
+        "include/fbgemm_gpu/quantize_wrappers.cuh",
+        "include/fbgemm_gpu/sparse_ops.cuh",
+        "include/fbgemm_gpu/sparse_wrappers.cuh",
+    ]