Add GTS test to ensure valid default permission grants - framework

The platform grants runtime permissions by default to apps on the
system image that provide core device use cases which a user expects
to work out-of-the-box. We are now adding a test to ensure that
OEMs cannot pregrant premissions on non approved components.

bug:23043018

Change-Id: Id76717cce0ee59678956bd0be347d3c045fe4c51
diff --git a/telecomm/java/android/telecom/DefaultDialerManager.java b/telecomm/java/android/telecom/DefaultDialerManager.java
index 3d49308..5852b8e 100644
--- a/telecomm/java/android/telecom/DefaultDialerManager.java
+++ b/telecomm/java/android/telecom/DefaultDialerManager.java
@@ -97,7 +97,7 @@
      * @hide
      * */
     public static String getDefaultDialerApplication(Context context) {
-        return getDefaultDialerApplication(context, ActivityManager.getCurrentUser());
+        return getDefaultDialerApplication(context, context.getUserId());
     }
 
     /**