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/pow2bucket.h

@@ -1,13 +1,13 @@
-// Copyright 2018 Google Inc. All Rights Reserved.
+// Copyright 2018 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 declaration of the Pow2Bucket class which
 // is a convenient way to bucketize sampled values into powers of 2.
 #ifndef WVCDM_METRICS_POW2BUCKET_H_
 #define WVCDM_METRICS_POW2BUCKET_H_
-
 namespace wvcdm {
 namespace metrics {
-
 // This class converts the size_t value into the highest power of two
 // below the value.  E.g. for 7, the value is 4.  For 11, the value is 8.
 // This class is intended to simplify the use of EventMetric Fields that may
@@ -43,8 +43,6 @@ class Pow2Bucket {
 
   size_t value_;
 };
-
 }  // namespace metrics
 }  // namespace wvcdm
-
 #endif  // WVCDM_METRICS_POW2BUCKET_H_