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/StkDialogActivity.java b/src/com/android/stk/StkDialogActivity.java
index 18972cc..3fd3ef7 100644
--- a/src/com/android/stk/StkDialogActivity.java
+++ b/src/com/android/stk/StkDialogActivity.java
@@ -16,7 +16,7 @@
 
 package com.android.stk;
 
-import com.android.internal.telephony.gsm.stk.TextMessage;
+import com.android.internal.telephony.cat.TextMessage;
 
 import android.app.Activity;
 import android.content.Intent;
@@ -126,7 +126,6 @@
     @Override
     public void onResume() {
         super.onResume();
-
         startTimeOut();
     }