Fix sim pin settings

Change-Id: I8fba2a367958da5831efd04f599ba7a363d11a1f
Fixes: 27419276
Fixes: 27529989

src/com/android/settings/InstrumentedFragment.java

@@ -28,6 +28,9 @@ public abstract class InstrumentedFragment extends PreferenceFragment {
     // Declare new temporary categories here, starting after this value.
     public static final int UNDECLARED = 100000;
 
+    // Used by PreferenceActivity for the dummy fragment it adds, no useful data here.
+    public static final int PREFERENCE_ACTIVITY_FRAGMENT = UNDECLARED + 1;
+
     /**
      * Declare the view of this category.
      *