Bug 1382724 - Capture select and input click events; r=me

Capture click events for select and input elements to restore previous
behavior. This will always invoke helper prompts for those elements,
even if scripts stop the click event propagation. r=me for trivial
patch.

MozReview-Commit-ID: KOfjc58Zb0Y

mobile/android/components/PromptService.js

@@ -56,8 +56,8 @@ PromptService.prototype = {
           this.inputWidgetHelper = this.loadSubscript(
               "InputWidgetHelper", "chrome://browser/content/InputWidgetHelper.js");
         }
-        win.addEventListener("click", this.selectHelper); // non-capture
-        win.addEventListener("click", this.inputWidgetHelper); // non-capture
+        win.addEventListener("click", this.selectHelper, /* capture */ true);
+        win.addEventListener("click", this.inputWidgetHelper, /* capture */ true);
         break;
       }
     }