updated support lib version to v25.2.0 and google play services to v10.2.0
updated support lib version to v25.2.0 and google play services to v10.2.0

nisrulz/android-examples,nisrulz/android-examples,nisrulz/android-examples,nisrulz/android-examples,nisrulz/android-examples,nisrulz/android-examples