CAT: Use new Cat package from frameworks

As all stk related classes were moved to new Cat package this application
needs to use new package instead of old one.

Change-Id: I537c61318eff3677951af9639e9991425c418241
diff --git a/src/com/android/stk/ToneDialog.java b/src/com/android/stk/ToneDialog.java
index 9d55663..ba4a957 100644
--- a/src/com/android/stk/ToneDialog.java
+++ b/src/com/android/stk/ToneDialog.java
@@ -27,8 +27,8 @@
 import android.widget.ImageView;
 import android.widget.TextView;
 
-import com.android.internal.telephony.gsm.stk.TextMessage;
-import com.android.internal.telephony.gsm.stk.ToneSettings;
+import com.android.internal.telephony.cat.TextMessage;
+import com.android.internal.telephony.cat.ToneSettings;
 
 /**
  * Activity used for PLAY TONE command.