Add Apache license headers to source files

Change-Id: I04b149c4fce738b0d0c89d0f5221cd1dd920c5c6
Google-Bug-Id: 120095876
Signed-off-by: Avi Kondareddy <avikr@google.com>
diff --git a/config.yaml b/config.yaml
index 7814161..aaa8ae2 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,3 +1,17 @@
+# Copyright 2018 Google LLC
+#
+# 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
+#
+#     https://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.
+
 presubmits:
   https://kunit.googlesource.com/linux:
   - name: kunit-test-presubmit
diff --git a/kunit.sh b/kunit.sh
index 3ff6ee5..9ffd00d 100755
--- a/kunit.sh
+++ b/kunit.sh
@@ -1,5 +1,20 @@
 #!/bin/bash
 
+# Copyright 2018 Google LLC
+#
+# 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
+#
+#     https://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.
+
+
 # Prow may not create artifacts folder in advance.
 mkdir -p "$ARTIFACTS"