Update language to comply with Android’s inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

Bug: 161896447
Change-Id: I56dd8778516103367dc17ae55bdff4457185de46

samples/RSSReader/src/com/example/android/rssreader/RssReader.java

@@ -284,7 +284,7 @@ public class RssReader extends ListActivity {
             mAdapter.add(mItem);
         }
 
-        // NOTE: Performance idea -- would be more efficient to have he option
+        // NOTE: Performance idea -- would be more efficient to have the option
         // to add multiple items at once, so you get less "update storm" in the UI
         // compared to adding things one at a time.
     }