Verify that structs with multiple array fields now successfully compile for Java

Previously "_hidl_array_offset_*" was redeclared multiple times in the same
scope.

Bug: 31675085
Test: run hidl_test, hidl_test_java
Change-Id: I370956ae3008c05bda66dc5cdc44d33c9883376f
diff --git a/tests/baz/1.0/IBazCallback.hal b/tests/baz/1.0/IBazCallback.hal
index 858e8c9..b59a107 100644
--- a/tests/baz/1.0/IBazCallback.hal
+++ b/tests/baz/1.0/IBazCallback.hal
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
 package android.hardware.tests.baz@1.0;
 
 interface IBazCallback {