Add isSameProfileGroup() to mock user manager

Change-Id: I1debe47360d440852fa3d722cc19d83142171821
diff --git a/tests/src/com/android/providers/contacts/ContactsActor.java b/tests/src/com/android/providers/contacts/ContactsActor.java
index 0b91d4c..f437698 100644
--- a/tests/src/com/android/providers/contacts/ContactsActor.java
+++ b/tests/src/com/android/providers/contacts/ContactsActor.java
@@ -232,6 +232,11 @@
         public boolean hasUserRestriction(String restrictionKey, UserHandle userHandle) {
             return false;
         }
+
+        @Override
+        public boolean isSameProfileGroup(int userId, int otherUserId) {
+            return getUserInfo(userId).profileGroupId == getUserInfo(otherUserId).profileGroupId;
+        }
     }
 
     /**