user proper license header format

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/res/drawable/ic_talk.xml

@@ -1,3 +1,21 @@
+<!--
+  Nextcloud Android client application
+
+  Copyright (C) 2020 Nextcloud GmbH
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <?xml version="1.0" encoding="utf-8"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"

src/main/res/drawable/ic_user_status_away.xml

@@ -1,25 +1,23 @@
 <!--
-  ~
-  ~ Nextcloud Android client application
-  ~
-  ~ @author Tobias Kaminsky
-  ~ Copyright (C) 2020 Tobias Kaminsky
-  ~ Copyright (C) 2020 Nextcloud GmbH
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU Affero General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-  ~ GNU Affero General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU Affero General Public License
-  ~ along with this program. If not, see <https://www.gnu.org/licenses/>.
-  -->
+  Nextcloud Android client application
 
+  @author Tobias Kaminsky
+  Copyright (C) 2020 Tobias Kaminsky
+  Copyright (C) 2020 Nextcloud GmbH
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <vector android:autoMirrored="true"
     android:height="24dp"
     android:viewportHeight="24"

src/main/res/drawable/ic_user_status_dnd.xml

@@ -1,25 +1,23 @@
 <!--
-  ~
-  ~ Nextcloud Android client application
-  ~
-  ~ @author Tobias Kaminsky
-  ~ Copyright (C) 2020 Tobias Kaminsky
-  ~ Copyright (C) 2020 Nextcloud GmbH
-  ~
-  ~ This program is free software: you can redistribute it and/or modify
-  ~ it under the terms of the GNU Affero General Public License as published by
-  ~ the Free Software Foundation, either version 3 of the License, or
-  ~ (at your option) any later version.
-  ~
-  ~ This program is distributed in the hope that it will be useful,
-  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-  ~ GNU Affero General Public License for more details.
-  ~
-  ~ You should have received a copy of the GNU Affero General Public License
-  ~ along with this program. If not, see <https://www.gnu.org/licenses/>.
-  -->
+  Nextcloud Android client application
 
+  @author Tobias Kaminsky
+  Copyright (C) 2020 Tobias Kaminsky
+  Copyright (C) 2020 Nextcloud GmbH
+
+  This program is free software; you can redistribute it and/or
+  modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+  License as published by the Free Software Foundation; either
+  version 3 of the License, or any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+  You should have received a copy of the GNU Affero General Public
+  License along with this program.  If not, see <http://www.gnu.org/licenses/>.
+-->
 <vector android:autoMirrored="true"
     android:height="24dp"
     android:viewportHeight="24"