Update prebuilts to go1.7rc1 ab/3043704

toolchain/go sha ffb9ee3a

Change-Id: Id13cc2f426fd6d4e53bde9b50251fb264a647f47
diff --git a/test/chan/sendstmt.go b/test/chan/sendstmt.go
index a92c4f6..278fa1b 100644
--- a/test/chan/sendstmt.go
+++ b/test/chan/sendstmt.go
@@ -1,6 +1,6 @@
 // run
 
-// Copyright 2011 The Go Authors.  All rights reserved.
+// Copyright 2011 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.