Adjust structure of all BUILD files to recommended style (https://docs.bazel.build/versions/master/skylark/build-style.html#file-structure), moving loads to top.

PiperOrigin-RevId: 252038015
diff --git a/tensorflow/python/autograph/BUILD b/tensorflow/python/autograph/BUILD
index 2ebae2e..5626893 100644
--- a/tensorflow/python/autograph/BUILD
+++ b/tensorflow/python/autograph/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/converters/BUILD b/tensorflow/python/autograph/converters/BUILD
index c5fd8a2..7a6a77e 100644
--- a/tensorflow/python/autograph/converters/BUILD
+++ b/tensorflow/python/autograph/converters/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/core/BUILD b/tensorflow/python/autograph/core/BUILD
index 0ff175a..a480f83 100644
--- a/tensorflow/python/autograph/core/BUILD
+++ b/tensorflow/python/autograph/core/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/impl/BUILD b/tensorflow/python/autograph/impl/BUILD
index 8a1d9f1..b0077a3 100644
--- a/tensorflow/python/autograph/impl/BUILD
+++ b/tensorflow/python/autograph/impl/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "tf_py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "tf_py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/lang/BUILD b/tensorflow/python/autograph/lang/BUILD
index 0cb3111..5ec729c 100644
--- a/tensorflow/python/autograph/lang/BUILD
+++ b/tensorflow/python/autograph/lang/BUILD
@@ -1,11 +1,11 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
 exports_files(["LICENSE"])
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/operators/BUILD b/tensorflow/python/autograph/operators/BUILD
index d52013e..43f1253 100644
--- a/tensorflow/python/autograph/operators/BUILD
+++ b/tensorflow/python/autograph/operators/BUILD
@@ -1,11 +1,11 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
 exports_files(["LICENSE"])
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/pyct/BUILD b/tensorflow/python/autograph/pyct/BUILD
index a03d9aa..439cd08 100644
--- a/tensorflow/python/autograph/pyct/BUILD
+++ b/tensorflow/python/autograph/pyct/BUILD
@@ -1,11 +1,11 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
 exports_files(["LICENSE"])
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/pyct/common_transformers/BUILD b/tensorflow/python/autograph/pyct/common_transformers/BUILD
index 47e4377..1253132 100644
--- a/tensorflow/python/autograph/pyct/common_transformers/BUILD
+++ b/tensorflow/python/autograph/pyct/common_transformers/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/pyct/static_analysis/BUILD b/tensorflow/python/autograph/pyct/static_analysis/BUILD
index 7baf0c7..d302aba 100644
--- a/tensorflow/python/autograph/pyct/static_analysis/BUILD
+++ b/tensorflow/python/autograph/pyct/static_analysis/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/pyct/testing/BUILD b/tensorflow/python/autograph/pyct/testing/BUILD
index 1293ee4..d861cbb 100644
--- a/tensorflow/python/autograph/pyct/testing/BUILD
+++ b/tensorflow/python/autograph/pyct/testing/BUILD
@@ -1,9 +1,9 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(
diff --git a/tensorflow/python/autograph/utils/BUILD b/tensorflow/python/autograph/utils/BUILD
index 6951707..5b87cf0 100644
--- a/tensorflow/python/autograph/utils/BUILD
+++ b/tensorflow/python/autograph/utils/BUILD
@@ -1,11 +1,11 @@
+load("//tensorflow:tensorflow.bzl", "py_test")
+
 package(
     licenses = ["notice"],  # Apache 2.0
 )
 
 exports_files(["LICENSE"])
 
-load("//tensorflow:tensorflow.bzl", "py_test")
-
 filegroup(
     name = "all_files",
     srcs = glob(