Updated source headers into The Weave Authors

BUG:24665293
Change-Id: I9c955baff32fabe719a96422dd3912697d0510e8
Reviewed-on: https://weave-review.googlesource.com/1384
Reviewed-by: Vitaly Buka <vitalybuka@google.com>

libweave/examples/provider/event_network.cc

diff --git a/libweave/examples/provider/event_network.cc b/libweave/examples/provider/event_network.cc
index ed308f0..d86db69 100644
--- a/libweave/examples/provider/event_network.cc
+++ b/libweave/examples/provider/event_network.cc
@@ -1,4 +1,4 @@
-// Copyright 2015 The Chromium OS Authors. All rights reserved.
+// Copyright 2015 The Weave Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.