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/src/distribution.cpp

@@ -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 definitions for the Distribution class members.
 
@@ -8,7 +10,6 @@
 
 namespace wvcdm {
 namespace metrics {
-
 Distribution::Distribution()
     : count_(0ULL),
       min_(FLT_MAX),
@@ -26,6 +27,5 @@ void Distribution::Record(float value) {
   min_ = min_ < value ? min_ : value;
   max_ = max_ > value ? max_ : value;
 }
-
 }  // namespace metrics
 }  // namespace wvcdm