onCreate should be protected

Author: puf

library/src/main/java/com/firebase/ui/FirebaseLoginBaseActivity.java

@@ -68,7 +68,7 @@ public void logout() {
 
 
     @Override
-    public void onCreate(Bundle savedInstanceState) {
+    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         Firebase.setAndroidContext(this);