Remove a few non-public dependencies.

Maps, CharSequences, MotionEvent.copy

Change-Id: I97e15b0f9530623f65e061674bd7ec56d8fefa3e
diff --git a/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java b/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
index 0c6e59c..728c913 100644
--- a/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
+++ b/packages/SystemUI/src/com/android/systemui/media/RingtonePlayer.java
@@ -31,7 +31,6 @@
 import android.util.Slog;
 
 import com.android.systemui.SystemUI;
-import com.google.android.collect.Maps;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;
@@ -50,7 +49,7 @@
     private IAudioService mAudioService;
 
     private final NotificationPlayer mAsyncPlayer = new NotificationPlayer(TAG);
-    private final HashMap<IBinder, Client> mClients = Maps.newHashMap();
+    private final HashMap<IBinder, Client> mClients = new HashMap<IBinder, Client>();
 
     @Override
     public void start() {