Update copyright notice

app/src/google/java/org/traccar/client/GoogleMainApplication.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2017 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

app/src/google/java/org/traccar/client/PositionProviderFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2019 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.