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/value_metric.h

@@ -1,11 +1,13 @@
-// 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 declarations for the Metric class and related
 // types.
 #ifndef WVCDM_METRICS_VALUE_METRIC_H_
 #define WVCDM_METRICS_VALUE_METRIC_H_
-
 #include <stdint.h>
+
 #include <mutex>
 #include <string>
 
@@ -13,14 +15,11 @@
 
 namespace wvcdm {
 namespace metrics {
-
 // Internal namespace for helper methods.
 namespace impl {
-
 // Helper function for setting a value in the proto.
 template <typename T>
 void SetValue(drm_metrics::ValueMetric* value_proto, const T& value);
-
 }  // namespace impl
 
 // The ValueMetric class supports storing a single, overwritable value or an
@@ -118,9 +117,7 @@ class ValueMetric {
    * in const methods.
    */
   mutable std::mutex internal_lock_;
-};
-
+};  // class ValueMetric
 }  // namespace metrics
 }  // namespace wvcdm
-
 #endif  // WVCDM_METRICS_VALUE_METRIC_H_