Added licence headers on java & xml files.

Change-Id: I2b9a62e3426e7842baeac24cf122fc83b4f238da

android/experimental/LibreOffice4Android/res/layout/document_viewer.xml

+<!--
+ This file is part of the LibreOffice project.
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"

android/experimental/LibreOffice4Android/res/layout/file_explorer_grid_item.xml

+<!--
+ This file is part of the LibreOffice project.
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

android/experimental/LibreOffice4Android/res/layout/file_grid.xml

+<!--
+ This file is part of the LibreOffice project.
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

android/experimental/LibreOffice4Android/res/layout/file_list.xml

+<!--
+ This file is part of the LibreOffice project.
+
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

android/experimental/LibreOffice4Android/res/layout/file_list_item.xml

+<!--
+ This file is part of the LibreOffice project.
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

android/experimental/LibreOffice4Android/res/layout/main.xml

+<!--
+ This file is part of the LibreOffice project.
+
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"

android/experimental/LibreOffice4Android/res/layout/navigation_grid_item.xml

+<!--
+ This file is part of the LibreOffice project.
+
+ This Source Code Form is subject to the terms of the Mozilla Public
+ License, v. 2.0. If a copy of the MPL was not distributed with this
+ file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ -->
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="150dp"

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/GridItemAdapter.java

+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
 package org.libreoffice.ui;
 
 import org.libreoffice.R;

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/LibreOfficeUIActivity.java

+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
 package org.libreoffice.ui;
 
 import org.libreoffice.R;

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/ListItemAdapter.java

+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 package org.libreoffice.ui;
 
 import org.libreoffice.R;

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/PreferenceEditor.java

+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
 package org.libreoffice.ui;
 
 import org.libreoffice.R;

android/experimental/LibreOffice4Android/src/org/libreoffice/ui/WriterViewerActivity.java

+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
 package org.libreoffice.ui;
 
 import org.libreoffice.R;