Add missing copyright info to RS default implementation.

Bug: 118068536
Test: none
Change-Id: I896f8f4734d5bf76a889198255d5851bcd696714
diff --git a/renderscript/1.0/default/Device.cpp b/renderscript/1.0/default/Device.cpp
index 8fda3ff..d603a12 100644
--- a/renderscript/1.0/default/Device.cpp
+++ b/renderscript/1.0/default/Device.cpp
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #include "Context.h"
 #include "Device.h"