Bug 1479726 - Use correct filterXUL property for nsIFilePicker in FilePicker.js. r=snorp

MozReview-Commit-ID: A3G98cC8T4F

Differential Revision: https://phabricator.services.mozilla.com/D2781

--HG--
extra : moz-landing-system : lando

mobile/android/components/FilePicker.js

@@ -72,11 +72,8 @@ FilePicker.prototype = {
       this.appendFilter("*.xml");
     }
 
-    if (aFilterMask & Ci.nsIFilePicker.xulFilter) {
+    if (aFilterMask & Ci.nsIFilePicker.filterXUL) {
       this.appendFilter("*.xul");
-    }
-
-    if (aFilterMask & Ci.nsIFilePicker.xulFilter) {
       this.appendFilter("..apps");
     }
   },