Updated copyright notice and cleaned up includes.

[ Merge of http://go/wvgerrit/137810 ]

Bug: 204946540
Test: Metric unit tests
Change-Id: I78f839fafd27604a2bb78c04d587c40919c5372d

libwvdrmengine/cdm/metrics/test/distribution_unittest.cpp

@@ -1,16 +1,17 @@
-// Copyright 2017 Google Inc. All Rights Reserved.
+// Copyright 2017 Google LLC. All Rights Reserved. This file and proprietary
+// source code may only be used and distributed under the Widevine License
+// Agreement.
 //
 // Unit tests for Distribution.
 
-#include <float.h>
-
 #include "distribution.h"
 
-#include "gtest/gtest.h"
+#include <float.h>
+
+#include <gtest/gtest.h>
 
 namespace wvcdm {
 namespace metrics {
-
 TEST(DistributionTest, NoValuesRecorded) {
   Distribution distribution;
   EXPECT_EQ(FLT_MAX, distribution.Min());
@@ -41,6 +42,5 @@ TEST(DistributionTest, MultipleValuesRecorded) {
   EXPECT_EQ(3u, distribution.Count());
   EXPECT_NEAR(16.6667, distribution.Variance(), 0.0001);
 }
-
 }  // namespace metrics
 }  // namespace wvcdm