Create BUILD files and corresponding targets for tensorflow/core/user_ops/BUILD.

PiperOrigin-RevId: 341515091
Change-Id: I931a075b29d9859e7ae72021b3f6e090ba7716f8

tensorflow/core/BUILD

@@ -537,15 +537,11 @@ cc_library(
         ],
 )
 
-# One target for all user ops
-cc_library(
+# One target for all user ops.
+alias(
     name = "user_ops_op_lib",
-    srcs = glob(["user_ops/**/*.cc"]),
-    copts = tf_copts(),
-    linkstatic = 1,
+    actual = "//tensorflow/core/user_ops:user_ops_op_lib",
     visibility = ["//visibility:public"],
-    deps = [":framework"],
-    alwayslink = 1,
 )
 
 cc_library(

tensorflow/core/user_ops/BUILD

@@ -0,0 +1,28 @@
+# User ops.
+
+load(
+    "//tensorflow/core/platform:rules_cc.bzl",
+    "cc_library",
+)
+load(
+    "//tensorflow:tensorflow.bzl",
+    "tf_copts",
+)
+
+package(
+    default_visibility = [
+        "//tensorflow/core:__pkg__",
+    ],
+    licenses = ["notice"],  # Apache 2.0
+)
+
+# One target for all user ops.
+cc_library(
+    name = "user_ops_op_lib",
+    srcs = glob(["*.cc"]),
+    copts = tf_copts(),
+    linkstatic = 1,
+    visibility = ["//tensorflow/core:__pkg__"],
+    deps = ["//tensorflow/core:framework"],
+    alwayslink = 1,
+)