docs: Added missing closing parenthesis in sample code

The code sample within the "Return a Result" section of the "Allowing
Other Apps to Start Your Activity" page was missing a closing
parenthesis at the end of the second line. This parenthesis should now
appear.

Bug: 26845664
Change-Id: Iec58b86889d6e8fa6ad5327678d5e6d63d34f85f

docs/html/training/basics/intents/filters.jd

@@ -197,7 +197,7 @@ example:</p>
 
 <pre>
 // Create intent to deliver some kind of result data
-Intent result = new Intent("com.example.RESULT_ACTION", Uri.parse("content://result_uri");
+Intent result = new Intent("com.example.RESULT_ACTION", Uri.parse("content://result_uri"));
 setResult(Activity.RESULT_OK, result);
 finish();
 </pre>