docs: fix doc error in dialog example snippet (no not merge)

bug: 2160782
diff --git a/docs/html/guide/topics/ui/dialogs.jd b/docs/html/guide/topics/ui/dialogs.jd
index c0c0b1b..4e4ca14 100644
--- a/docs/html/guide/topics/ui/dialogs.jd
+++ b/docs/html/guide/topics/ui/dialogs.jd
@@ -624,7 +624,7 @@
 AlertDialog alertDialog;
 
 Context mContext = getApplicationContext();
-LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER);
+LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
 View layout = inflater.inflate(R.layout.custom_dialog,
                                (ViewGroup) findViewById(R.id.layout_root));