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/include/distribution.h

@@ -1,4 +1,6 @@
-// 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.
 //
 // This file contains the definition of a Distribution class which computes
 // the distribution values of a series of samples.
@@ -10,7 +12,6 @@
 
 namespace wvcdm {
 namespace metrics {
-
 // The Distribution class holds statistics about a series of values that the
 // client provides via the Record method. A caller will call Record once for
 // each of the values in a series. The Distribution instance will calculate the
@@ -46,8 +47,6 @@ class Distribution {
   float mean_;
   double sum_squared_deviation_;
 };
-
 }  // namespace metrics
 }  // namespace wvcdm
-
 #endif  // WVCDM_METRICS_DISTRIBUTION_H_