Fix missing copyright headers.

Bug: 23868522
Change-Id: I37fb86e3a751fad363d70687d1b9bcd512bcd33e
diff --git a/core/java/android/nfc/cardemulation/AidGroup.java b/core/java/android/nfc/cardemulation/AidGroup.java
index 4407c9d..78a9401 100644
--- a/core/java/android/nfc/cardemulation/AidGroup.java
+++ b/core/java/android/nfc/cardemulation/AidGroup.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2015 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.nfc.cardemulation;
 
 import java.io.IOException;
diff --git a/core/java/android/nfc/cardemulation/HostApduService.java b/core/java/android/nfc/cardemulation/HostApduService.java
index ad34e61..a299479 100644
--- a/core/java/android/nfc/cardemulation/HostApduService.java
+++ b/core/java/android/nfc/cardemulation/HostApduService.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2015 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.nfc.cardemulation;
 
 import android.annotation.SdkConstant;
diff --git a/core/java/android/nfc/cardemulation/OffHostApduService.java b/core/java/android/nfc/cardemulation/OffHostApduService.java
index 0d01762..6a8aeee 100644
--- a/core/java/android/nfc/cardemulation/OffHostApduService.java
+++ b/core/java/android/nfc/cardemulation/OffHostApduService.java
@@ -1,3 +1,19 @@
+/*
+ * Copyright (C) 2015 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.nfc.cardemulation;
 
 import android.annotation.SdkConstant;