Add missing license to interceptor_trace_writer_unittest.cc
I just added the new file in f4cfd656332dc("Improve unit tests for trace
writers"), but I forgot to add the license.
Change-Id: Ia6fd3969c04ca5de078867ede04195474010a13e
diff --git a/src/tracing/internal/interceptor_trace_writer_unittest.cc b/src/tracing/internal/interceptor_trace_writer_unittest.cc
index 7b32487..19a60cf 100644
--- a/src/tracing/internal/interceptor_trace_writer_unittest.cc
+++ b/src/tracing/internal/interceptor_trace_writer_unittest.cc
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2022 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 "perfetto/tracing/internal/interceptor_trace_writer.h"
#include "perfetto/tracing/interceptor.h"
