contactsbackup: Add SPDX copyright headers

contactsbackup/Android.bp

@@ -1,3 +1,8 @@
+//
+// SPDX-FileCopyrightText: 2020 The Calyx Institute
+// SPDX-License-Identifier: Apache-2.0
+//
+
 android_app {
     name: "LocalContactsBackup",
     srcs: [

contactsbackup/build.gradle

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 

contactsbackup/default-permissions_org.calyxos.backup.contacts.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<!--
+  SPDX-FileCopyrightText: 2020 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <exceptions>
     <exception package="org.calyxos.backup.contacts">
         <permission name="android.permission.READ_CONTACTS" fixed="true" />

contactsbackup/lint.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  SPDX-FileCopyrightText: 2022 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <lint>
     <issue id="MissingTranslation" severity="ignore" />
 </lint>

contactsbackup/src/androidTest/AndroidManifest.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2020 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.calyxos.backup.contacts.test">
 

contactsbackup/src/androidTest/java/org/calyxos/backup/contacts/BackupRestoreTest.kt

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts
 
 import android.app.backup.BackupAgent

contactsbackup/src/androidTest/java/org/calyxos/backup/contacts/ContactUtils.kt

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts
 
 import android.content.ContentProviderOperation

contactsbackup/src/main/AndroidManifest.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2020 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="org.calyxos.backup.contacts"

contactsbackup/src/main/java/org/calyxos/backup/contacts/ContactsBackupAgent.java

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts;
 
 import static android.Manifest.permission.READ_CONTACTS;

contactsbackup/src/main/java/org/calyxos/backup/contacts/FullBackupFileHandler.java

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts;
 
 import android.app.backup.FullBackupDataOutput;

contactsbackup/src/main/java/org/calyxos/backup/contacts/StartBroadcastReceiver.java

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts;
 
 import android.content.BroadcastReceiver;

contactsbackup/src/main/java/org/calyxos/backup/contacts/VCardExporter.java

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts;
 
 import android.content.ContentResolver;

contactsbackup/src/main/java/org/calyxos/backup/contacts/VCardImporter.java

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts;
 
 import android.content.ContentResolver;

contactsbackup/src/main/res/values/strings.xml

@@ -1,4 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  SPDX-FileCopyrightText: 2020 The Calyx Institute
+  SPDX-License-Identifier: Apache-2.0
+  -->
 <resources>
     <string name="app_label">Local Contacts Backup</string>
 </resources>

contactsbackup/src/test/java/org/calyxos/backup/contacts/ContactsBackupAgentTest.kt

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2020 The Calyx Institute
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
 package org.calyxos.backup.contacts
 
 import android.Manifest.permission.READ_CONTACTS