Fix build error.

tensorflow/tools/pip_package/BUILD

@@ -92,9 +92,6 @@ filegroup(
         "@arm_neon_2_x86_sse//:LICENSE",
         "@astor_archive//:LICENSE",
         "@aws//:LICENSE",
-        "@bazel_tools//third_party/def_parser:Copyright.txt",
-        "@bazel_tools//third_party/ijar:LICENSE",
-        "@bazel_tools//third_party/zlib:LICENSE.txt",
         "@boringssl//:LICENSE",
         "@com_google_absl//:LICENSE",
         "@com_googlesource_code_re2//:LICENSE",
@@ -104,7 +101,7 @@ filegroup(
         "@farmhash_archive//:COPYING",
         "@fft2d//:fft/readme.txt",
         "@flatbuffers//:LICENSE.txt",
-        "@gast_archive//:LICENSE",
+        "@gast_archive//:PKG-INFO",
         "@gemmlowp//:LICENSE",
         "@gif_archive//:COPYING",
         "@grpc//:LICENSE",

tensorflow/workspace.bzl

@@ -114,6 +114,7 @@ def tf_workspace(path_prefix="", tf_repo_name=""):
       ],
      sha256 = "5996380e3e8b981f55d1c8d58e709c00dbb4806ba367be75d0925a68cc2f6478",
      strip_prefix = "abseil-cpp-720c017e30339fd1786ce4aac68bc8559736e53f",
+     build_file = str(Label("//third_party:com_google_absl.BUILD")),
   )
 
   tf_http_archive(

third_party/com_google_absl.BUILD

@@ -0,0 +1,17 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache
+
+exports_files(["LICENSE"])
+
+filegroup(
+    name = "all_files",
+    srcs = glob(
+        ["**/*"],
+        exclude = [
+            "**/METADATA",
+            "**/OWNERS",
+        ],
+    ),
+    visibility = ["//tensorflow:__subpackages__"],
+)

third_party/gast.BUILD

@@ -3,7 +3,7 @@
 
 licenses(["notice"])  # BSD 3-clause
 
-exports_files(["LICENSE"])
+exports_files(["PKG-INFO"])
 
 py_library(
     name = "gast",