Create BUILD files and corresponding targets for tensorflow/core/api_def/base_api.

PiperOrigin-RevId: 343581258
Change-Id: Ia144d927a56e0c15ef66d601c68418a32ea15b69

tensorflow/core/api_def/BUILD

@@ -6,7 +6,6 @@
 #   :python_api_def
 #   :java_api_def
 
-load("//tensorflow:tensorflow.bzl", "filegroup")
 load("//tensorflow/core/platform:rules_cc.bzl", "cc_library")
 load(
     "//tensorflow:tensorflow.bzl",
@@ -27,9 +26,9 @@ package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-filegroup(
+alias(
     name = "base_api_def",
-    srcs = glob(["base_api/*"]),
+    actual = "//tensorflow/core/api_def/base_api:base_api_def",
     visibility = ["//tensorflow:internal"],
 )
 

tensorflow/core/api_def/base_api/BUILD

@@ -0,0 +1,21 @@
+# Description:
+#   Expose TensorFlow base api.
+
+load("//tensorflow:tensorflow.bzl", "filegroup")
+
+package(
+    licenses = ["notice"],  # Apache 2.0
+)
+
+filegroup(
+    name = "base_api_def",
+    srcs = glob(
+        [
+            "*",
+        ],
+        exclude = [
+            "BUILD",
+        ],
+    ),
+    visibility = ["//tensorflow:internal"],
+)