[dev_finder][tap] Add missing copyright messages.

Bug: 10320
Change-Id: I14caf8d72f2de573793aff7e49021f25a58b8988
diff --git a/dev_finder/cmd/dev_finder_test.go b/dev_finder/cmd/dev_finder_test.go
index 6a6210e..e1bf42c 100644
--- a/dev_finder/cmd/dev_finder_test.go
+++ b/dev_finder/cmd/dev_finder_test.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package main
 
 import (
diff --git a/tap/tokenizer/iterator.go b/tap/tokenizer/iterator.go
index 10e7626..6a7f0ea 100644
--- a/tap/tokenizer/iterator.go
+++ b/tap/tokenizer/iterator.go
@@ -1,3 +1,7 @@
+// Copyright 2019 The Fuchsia Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 package tokenizer
 
 // noSpacesIterator iterates over a stream of tokens and skips whitespace characters, with